Lymphatic vessels that enter the lymph node at various sites are called _____ lymphatic vessels.

Chemical secretions from ______ attack some worm parasites in the body.

Lymphatics of the _____ travel in loose subcutaneous connective tissue and generally follow the routes of veins.

Megakaryoblasts mature into _____.

The most numerous white blood cell type are the ____, which comprise 60-70% of all white blood cells.

The three regions of lymph node aggregations in the body are the ___, armpits, and neck.

Heparin, histamine, and serotonin are secreted by _____.

Lymphatic ____ are spaces between groups of lymphatic tissue.

Red blood cells pick up ____ in the lungs, and transport it via the blood to all cells of the body.

Approximately one third of the erythrocyte cell volume is composed of ____.

The term ____ means eating cells.

The main collecting duct of the lymphatic system is the ____ duct.

There are special lymphatic vessels called ____ that absorb fats and transport them from the digestive tract to the blood.

The efferent vessels unite to form lymphatic ____.

Red blood cells make up about ___% of the volume of blood cells.

These oval-shaped structures are found along the length of lymphatics.

After ____ leave the blood and enter tissues, they increase in size and are called macrophages.

The ____ trunk drains lymph from the lower extremities.

Hematopoiesis occurs in the ____.

The outermost layer of the pericardial sac is the ____.

The ____ vena cava brings blood from the upper parts of the body, the head, the neck, and arms to the heart.

Blood flow from the lower portions of the body return to the heart via the ____ vena cava.

The ____ arteries supply muscles of the thorax.

The atrioventricular valve between the left atrium and the left ventricle is known as the ____ valve.

The bundle of ____ distributes the electrical charge over the medial surfaces of the ventricles.

The ____ circulation is the blood circulatory route that supplies the myocardium of the heart.

The irregular ridges and folds of the ventricles are called the ____.

The outermost layer of the wall of the heart is the ____.

The right and left renal arteries supply blood to the ____.

The groove that separates the atria from the ventricles is called the coronary ____.

Oxygenated blood returns to the heart from the lungs via four pulmonary ____.

The coronary arteries supply blood to the ____.

Cords called the chordae ____ connect the pointed ends of the cusps of the AV valves to the papillary muscles.

The ____ portal vein drains the organs of the digestive tract and then continues to the liver.

Microscopic vessels composed of simple squamous epithelial cells are called ____.

The tunica ____ of arteries and veins is composed of a single layer of endothelial cells.

The hollow core of a blood vessel is called the ____.

The ____ circulation supplies the brain with oxygen and nutrients and disposes of waste.

The second layer of the wall of the heart, the ____, makes up the bulk of the heart.

The physical movement or pushing of food along the digestive tract is called ____.

The walls of the alimentary canal have a similar arrangement of tissue layers called ____.

The ____ is a long continuous tube that runs through the ventral cavity of the body.

The passage of digested food from the digestive tract into the cardiovascular and lymphatic systems is called ____.

Hydrochloric acid is secreted into the stomach by ____ cells.

The narrow inferior region of the stomach is called the ____.

Hanging from the posterior border of the soft palate is a cone-shaped muscular structure called the ____.

The ____ cells release a mixture of digestive enzymes, collectively called the pancreatic juice.

The enzyme that breaks down fats into fatty acids and glycerol is ____.

The taste of ____ detects monosodium glutamate.

The eight front teeth are called ____.

The ____ glands in the mucous membrane lining the mouth secrete small amounts of saliva.

Vitamin ____ is necessary for vision, bone growth and maintenance of epithelial cells.

The collapsible, muscular tube that is situated behind the trachea is called the ____.

Swallowing is also called ____.

Composed of loose connective tissue, the underlying layer of the mucus membrane is called the ____.

Vitamin ____ is also known as thiamine and is necessary for muscle and nerve function.

The crown of a tooth is covered by ____, the hardest substance in the body.

Complex carbohydrates are digested into simple sugars by ____.

The innermost layer of the alimentary canal is called the tunica ____.

A collapsed lung or reduction in the volume of a part of a lung is known as ____.

Patients with ____ suffer from the destruction of the walls of the alveoli.

The lungs are paired, cone-shaped organs located in the ____ cavity.

The ____ is a tubular passageway that extends from the cricoid cartilage of the larynx to the fifth thoracic vertebra.

The uppermost portion of the pharynx is called the ____.

The sense of smell detects ____ stimuli.

Physicians who specialize in the diagnosis and treatment of diseases of the lungs are called ____.

Terminal bronchioles subdivide into microscopic branches called ____ bronchioles.

The pharynx connects to the trachea via the ____.

On entering the lungs, the primary bronchi divide to form smaller bronchi called ____ bronchi.

The anterior portions of the nasal cavities just inside the nostrils are known as the ____.

Alveolar ducts are also called ____.

Tension on the true vocal cords controls ____.

Olfactory receptors are located in the membrane that lines the ____ meatus.

The internal nose connects with the pharynx via two openings called the internal ____.

The exchange of gases between the lungs and the blood is called ____.

The secretory cells of the lungs are affected in patients with ____.

The ____ residual capacity is the volume of gas in the lungs at the end of a normal tidal volume exhalation.

The paired, rod-shaped ____ cartilages are located in the mucous membrane fold that connects the epiglottis to the arytenoid cartilages.

The nose is separated into a right and left nasal cavity by the nasal ____.

Goblet cells located in the trachea produce ____.

The ____ is the major excretory organ of the body because it eliminates nitrogenous wastes.

Blood plasma without clotting factors is called ____.

The conversion of fibrinogen into fibrin is catalyzed by ____.

The digested, viscous, and semifluid contents of the intestine are called ____.

Urine is excreted from each kidney through the ____.

Liver macrophages are called ____ cells.

A piece of a blood clot that dislodges and is transported by the blood stream is called a(n) ____.

The ____ converts harmful ammonia from the digestion of proteins to harmless urea and provides bile to emulsify fats.

Immunoglobin ____ is found on the surface of B lymphocytes and is important in B cell activation.

Smoking increases ____ levels in the blood, thus increasing the possibility of unwanted clotting.

The heart is situated in the ____ surrounded by the pericardial sac.

The common cold is a contagious infection of the upper respiratory tract caused by a form of the ____.

The oropharynx has only one opening, the ____, which connects with the mouth.

A narrowed opening through the valves of the heart is called a(n) ____.

The presence of ____ keeps blood from backflowing in the heart.

The outer area inside the kidney is called the ____.

Immunoglobulin ____, found in tissue fluids and plasma, attacks viruses, bacteria, and toxins.

Clotting in an unbroken blood vessel is called ____.

The presence of pouchlike herniations through the muscular layer of the colon is a condition known as ____.

In the lungs, the grapelike outpouchings of epithelium and elastic basement membrane surrounded externally by a capillary network are called ____.

The ____ regulates the composition and volume of blood and removes wastes from the blood in the form of urine.

A ____ is an abnormal heart sound akin to a fluttering or a humming sound.

A cholesterol-containing mass that adheres to the smooth walls of blood vessels is called a(n) ____.

The reconstruction of a diseased coronary artery by inserting a small balloon through the aorta and into a coronary artery is a procedure known as ____.

Legionnaires' disease results in acute ____.

The outermost layer of tissue that surrounds the kidney is called the ____.

In the lungs, surfactant is secreted by ____ cells.

The ____ is the site for lymphocyte maturation.

The bulk of our lymphoid tissue is located in the ____.

The lobes of the liver affected by ____ are covered with fibrous connective tissue.

The three unpaired pieces of cartilage in the larynx are the thyroid cartilage, the ____, and the cricoid cartilage.

Clot retraction is called ____.

The first part of the renal tubule is called the ____.

The ____ tonsils are located at the back surface of the tongue at its base.

The pouchlike first part of the large intestine is called the ____.

Within the medulla of the kidney are 8 to 18 striated, triangular structures called renal ____.

The hilum is the entrance to a cavity in the kidney called the renal ____.

As the domelike diaphragm contracts, it moves ____.

Inadequate blood flow can cause an ____, an area of damaged cardiac tissue.

An average cardiac cycle takes ____ seconds.

Antibodies are produced by ____.

The first part of the small intestine is called the ____.

The thoracic duct ultimately empties all of its lymph into the left ____ vein.

The kidneys control the proper balance of hydrogen ions in the blood, thus helping to regulate ____ levels in the body.

Antibodies are produced by ____.

The ____ gland is a bilobed mass of tissue in the mediastinum along the trachea.

Any deviation from a normal heartbeat rhythm is called ____.

The renal pelvis eventually narrows to form the ____.

The ____, located in a depression of the surface of the liver, stores bile.

In the male, the urethra is subdivided into three parts; the middle portion is called the ____ urethra.

The network of ducts in the testis is called the ____ testis.

The ____ produces the female steroid sex hormones estrogen and progesterone.

The narrow inferior portion of the uterus is called the ____.

The ____ tube transports the ova from the ovaries to the uterus.

The ejection of a mature egg from the ovary is called ____.

Sperm cell maturation is stimulated by ____.

The ____ glands are located on either side of the membranous urethra.

____ cells produce secretions that supply nutrients for the developing sperm cells.

After ovulation occurs, the level of estrogen in the blood drops slightly and secretion of ____ stimulates the development of the corpus luteum.

The ____ muscle is located in the spermatic cord and elevates the testes upon exposure to cold.

The uterine wall is composed of three layers; the middle layer is called the ____.

The ____ is a comma-shaped structure located along the posterior border of a testis.

The ____ produce(s) sperm and the male steroid sex hormones.

Each ovarian ____ contains an immature egg and its surrounding tissues.

After the egg ruptures from the mature graafian follicle, the follicle becomes the ____.

The enlarged portion at the distal end of the penis is called the ____.

The first menstrual cycle is called ____.

Secondary spermatocytes undergo the second meiotic division to become ____.

The ovarian cycle is stimulated when the anterior pituitary secretes ____.

The highest arch of the foot is the ____ arch.

The process of manufacturing blood cells is called hematopoiesis.

The inflammation of the whole joint is called ____.

The laminae of the posterior vertebral arch do not unite at the midline in individuals with which congenital defect?

Which type of movement lowers a part of the body?

The term for the formation of bone is called ____.

Which common metabolic disease presents with irregular thickening and softening of the bones?

An example of an amphiarthrosis is a symphysis.

The bones of the wrist are called tarsals.

Extension increases the angle of bones.

Which bones are thin and typically found where there is need for extensive muscle attachment or protection for soft or vital parts of the body?

What injury is caused by repetitive movements that affect the wrist?

A syndesmosis is an example of which type of joint?

A growth plate between the diaphysis and epiphysis of a long bone is characteristic of ____.

The ____ (kneecap) is the largest sesamoid bone in the human body.

Which movement involves raising the foot upward at the ankle joint?

A smooth gliding surface for opposing bones is provided by ____.

A sprain occurs when a twisting or turning action tears ____ associated with a joint.

Most limbs of the upper and lower limbs are ____.

The type of bone cell responsible for the reabsorption of bone is called an ____.

The biceps femoris, the semitendinosus, and the semimembranosus muscles are also known as the ____.

The muscle we develop when we do sit-ups is the ____.

Muscles that bend a limb at a joint are called ____.

The dark bands of skeletal muscle are made of thick filaments (myosin).

The muscle that flexes the knee.

The muscle that moves the head.

The muscle that extends the knee.

The muscle that closes the lips.

The muscle that flexes and adducts the arm.

The muscle that plantar flexes the foot.

The muscle that flexes the thigh.

When lifting a weight, muscles become shorter and thicker but the tone or tension remains the same and is referred to as isometric contraction.

The brachialis, the biceps brachii, and the brachioradialis muscles flex the ____ at the elbow.

The type of muscle found in the uterus, blood vessels, and urinary bladder is known as ____ muscle.

Adductor, flexor, and extensor muscles are named according to their ____.

The ____ rectus muscle raises the eye.

Tendons that are wide and flat form what is known as a(n) ____.

The flexor digitorum muscles flex the ____.

The extensor digitorum communis muscle extends the ____ joint in conjunction with the three extensor carpi muscles.

Muscles that move a limb away from the midline are called ____.

Also known as Lou Gehrig's disease, ____ is a progressive, degenerative disease of the motor neurons.

Because skeletal muscles are much longer than their width, they are often called muscle ____.

The movable attachment, where the effects of muscle contraction are seen, is called the origin.

The light bands are made of the thin filaments of the protein ____.

A decrease in muscle bulk due to a lack of exercise is called ____.

Skeletal muscle is involuntary.

The ____ attaches the hypothalamus to the pituitary gland.

Over 60% of all brain cells are neurons.

The space that separates the meninges from the vertebrae is called the ____ space.

The cornea is the transparent part of the outermost layer of the eye.

Nerve fibers leave the eye as the optic nerve at the ____.

Cones are sensitive to light and function in dim light but do not produce color vision.

The parasympathetic division of the autonomic nervous system stimulates the body's vegetative activities, such as digestion, urination, and defecation.

Terminal branches of an axon are anchored close to the ends of the dendrites of another neuron at regions called ____.

Sound waves that enter the ear canal are directed to the ____, causing it to vibrate.

The first nerve cell receiving an impulse directly from a receptor is called a motor or efferent neuron.

All the spinal nerves are ____ nerves.

The symptoms of ____ are caused by progressive demyelination of nerve cells in the brain and spinal cord.

The ____ fluid serves as a shock absorber for the central nervous system.

Nerve cell bodies found outside the central nervous system are called ____.

The middle of the three spinal meninges are called the ____ mater.

The ____ act like the male sex hormones.

Star-shaped cells that form a supporting network in the brain and spinal cord are called ____.

Ascending tracts of the spinal cord carry ____ information from body parts to the brain.

The numerous folds on the surface of the cerebral hemispheres are called ____.

Nerves known as ____ transmit nerve impulses in the form of electrochemical changes.

A vertical lengthwise cut or plane that divides the body or an organ into right and left sides.

A midline or median plane that divides the body into equal parts is called a ____.

The diaphragm separates the ____ cavity from the abdominopelvic cavity.

The largest organ in the body is the ____.

____ is softening of the bones. It most often occurs because of a problem with vitamin D, which helps your body absorb calcium. Your body needs calcium to maintain the strength and hardness of your bones. In children, the condition is called rickets.

Each individual bundle of muscle cells is called a ____.

The middle of the three spinal meninges is called the ____ mater.

Systole is the term used to refer to the phase of relaxation.

The second layer of the wall of the heart, the ____, makes up the bulk of the heart.

The passage of digested food from the digestive tract into the cardiovascular and lymphatic systems is called ____.

The empty stomach lining has many folds called rugae that allow the stomach to expand and hold large amounts of food.

During the ____ phase of the menstrual cycle, the zona pellucida develops around each egg.

The vertical plane that divides the body into anterior and posterior sections is called the ____.

Secretion of a substance from a cell or structure is a function of the ____.

The breakdown of food molecules in a cell to release energy, water, and carbon dioxide is called ____.

Bones are formed of microscopic cells called ____.

Bone cells that develop new bone are called ____.

What bones form the shoulder girdle?

What bone of the lower leg is known as the shin bone?

The primary function of the lymphatic system is to drain tissue spaces of protein-containing fluid that escapes from the blood capillaries.

The pharyngeal tonsils are the ones commonly removed in a tonsillectomy.

Lymphatic capillaries are much smaller and less permeable than blood capillaries.

Memory cells are descendants of activated T and B cells produced during an initial immune response.

Leukemia is a disorder of the lymphatic system tissue that can be treated by a bone marrow transplant.

The lumber trunk drains lymph from the lower extremities.

The main collecting duct of the lymphatic system is the thoracis duct.

Immunoglobulin ____ is associated with allergic reactions, attacking allergy-causing antigens.

Lymph in the lacteals, which looks milky due to the fat content, is called chyle.