an incomplete muscles and connective tissue partition separating the nasopharynx from the oropharynx

(a)  

located in the lateral walls near the border of the oral cavity and the oropharynx

(a)  

located on the surface of the posterior part of the tongue

(a)  

lines the walls of the thorax, diaphragm and mediastinum

(a)  

acts as a lubricant and helps hold the pleural membranes together

(a)  

a large dome of skeletal muscle that separates the thoracic cavity from abdominal cavity

(a)  

reduces the surface tension of the fluid lining the alveoli (surface acting agent).

(a)  

is the process of measuring volumes of air that move into and out of the respiratory system.

(a)  

hemoglobin with oxygen bound to its heme groups

(a)  

a condition when blood O2 declines to a low level

(a)  

a greater than normal amount of CO2 in the blood

(a)  

is the presence of air in the pleural space, which causes collapse of the lung on that side.

(a)  

often called the voice box

(a)  

branching of the bronchial tubes

(a)  

is the term for the movement of air to and from the alveoli

(a)  

the pressure of the airaround us.

(a)  

the pressure within the potential pleural space between the parietal pleura and visceral pleura

(a)  

the amount of air that remains in the lungs after the most forceful exhalation; the average range is 1000 to 1500 mL.

(a)  

the amount of air inhaled and exhaled in 1 minute.

(a)  

the amount of air, beyond tidal volume, that can be taken in with the deepest possible inhalation.

(a)  

respiratory centers are located which part of the brainstem

(a)  

enables us to voluntarily change our breathing rate or rhythm to talk, sing,breathe faster or slower, or even to stop breathing for 1 or 2 minutes.

(a)  

carry blood from capillaries back to the heart

(a)  

The innermost layer, is the only part of a vessel that is in contact with blood.

(a)  

is a connection, or joining, of vessels,that is, artery to artery or vein to vein.

(a)  

carry blood from arterioles to venules

(a)  

commonly called“hardening of the arteries,”

(a)  

a weak portion of an arterial wall may bulge out, forming a sac or bubble

(a)  

is a subdivision of systemic circulation in which blood from the abdominal digestive organs and spleen circulates through the liver before returning to the heart.

(a)  

The site of exchange between fetus and mother is the (a)   which contains fetal and maternal blood vessels that are very close to oneanother

are branches of the fetal internal iliac arteries; they carry blood from the fetus to the placenta.

(a)  

carries this oxygenated blood from the placenta to the fetus

(a)  

an opening in the interatrial septum that permits some blood to flow from the right atrium to the left atrium,not, as usual, to the right ventricle.

(a)  

pressure is alwaysthe higher of the two and represents the blood pressure when the left ventricle is contracting.

(a)  

pressure when the left ventricle is relaxed and does not exert force.

(a)  

is high blood pressure, that is, a resting systemic pressure consistently above the normalrange (90 to 120/60 to 80 mmHg).

(a)  

Covers and protects the heart from trauma

(a)  

Receives deoxygenated blood from the peripheral circulation

(a)  

Lies between the right ventricle and pulmonary artery

(a)  

Lies between the left ventricle and the aorta

(a)  

abrupt and severe occlusion of the coronary artery; severe excruciating pain at the chest

(a)  

carries blood from the upper body

(a)  

carries blood from the lower body

(a)  

The natural pacemaker of the heart is the

(a)  

If any of the valves do not closeproperly, an extra sound called a (a)  

pathognomonic sign of myocardial infarction

(a)  

are irregular heartbeats caused by damage to part of the conduction pathway

(a)  

is the amount of blood pumped by aventricle in 1 minute

(a)  

During exercise,more blood returns to the heart; this is called

(a)  

is a short vessel that diverts most of the blood in the pulmonary artery to the aorta, to the body

(a)  

middle layer, smooth muscle and elastic connective tissue; contributes to maintenance of diastolic blood pressure

(a)  

are very permeable capillaries found in the liver, spleen, pituitary gland, and red bone marrow to permit proteins and blood cells to enter or leave the blood.

(a)  

depicts the electrical activity of the heart

(a)  

a prolongedor consistent heart rate greater than 100 beats per minute

(a)  

Plaques of cholesterol formin the walls of a coronary artery; this narrows the lumen (cavity) and creates a rough surface where a clot (thrombus) may form

(a)  

prevents backflow of blood from the LV to the LA when the LV contracts

(a)  

Prevents backflow of blood from the aorta to the LV when the LV relaxes

(a)  

Prevents backflow of blood from the pulmonary artery to the RV when the RV relaxes

(a)  

Endothelium that lines the chambers and covers the valves; smooth to prevent abnormal clotting

(a)