The process a scientist follows to formulate, test, and evaluate a question or problem is known as the __________ method.

_________ is the study of the structure of the body.

________ is the study of the function of the body.

The ______ may be thought of as the 'brain' of the cell.

Human cells normally contain 23 pairs of _________.

DNA stands for:

Body _______, such as muscle, are made up of groups of cells that work together to accomplish the same task.

______, such as the heart, are made up of tissues that work together to accomplish one specific task.

The physical point of connection between two bones is called a(n):

The soft, blood-forming tissue inside bones is known as ________.

The brain is part of the CNS, or ____________________.

Nerves that transmit information from the brain to the rest of the body make up the:

Chemicals secreted by the endocrine glands to regulate body functions are known as ________________.

The process of breathing is also known as __________________.

A healthy immune system produces _______, proteins that fight harmful substances in the body.

The _______ is used to measure the acidity and alkalinity of substances.

_________ is the stage of life during which reproductive functions matter.

Human ________ occurs when the male sex cell unites with the female to create a new human being.

Which of the following is NOT a natural science?

A hypothesis is:

A person's DNA contains:

The shape of human DNA can be described as:

Which of the following is NOT one of the four types of tissues in the human body?

Cartilage found in the ear, nose, and joints is an example of:

The state of internal balance achieved when the body systems work together is:

Which of the following is NOT a vital organ?

The outermost layer of the skin is known as the:

The sebaceous gland produces:

Bone marrow:

The number of cells in the human body:

Tough bands of tissue that connect bone to bone are known as:

Which of the following would be considered a long bone in the human body?

The ________, also known as the breastbone, is classified as a flat bone.

Which of the following types of muscles can be moved voluntarily?

The CNS includes the:

________ are nerve cells that carry messages from the body to the correct areas of the brain.

The ________ is known as the 'super-highway' for information coming to and from the CNS.

The front part of the sclera is known as the:

The snail-shaped organ found inside the ear is called the:

The _______ gland, located in the brain, releases the hormone melatonin to regulate sleep.

The ______ is the gland that regulates blood glucose levels.

The ______ is the passageway for air between the throat and lungs, also known as the windpipe.

The normal resting heart rate for an adult is around ________.

The chambers of the heart are known as the _________.

Blood vessels that carry oxygen-poor blood back to the heart are called the ____________.

Lymphocytes are __________.

The ________ helps the body prevent and fight disease.

Poison, splinters, or potentially harmful microorganisms are all types of ______________.

_______ is the body's ability to resist disease-causing pathogens.

The spleen is important because it _____________.

Phagocytosis is ______________.

The liver does all of the following except _______________.

The greenish-brown substance secreted by the liver is known as ____________.

The gallbladder's function is to:

The term renal refers to functions completed by which organ?

The kidneys are primarily responsible for ________.

STI's are diseases of the __________.

Female sex cells are called:

According to Maslow's hierarchy of needs, the most basic human needs are:

Infancy is the stage of life:

Secondary sexual characteristics appear during:

Cell membrane:

Cytoplasm:

Mitochondria:

Nucleus:

Golgi apparatus:

Cytoskeleton:

Brain stem:

Cerebellum:

Cerebrum:

Medulla oblongata:

Midbrain:

Pons:

Spinal cord:

Mouth (oral cavity):

Anus:

Esophagus:

Gallbladder:

Large intestine:

Liver:

Pancreas:

Rectum:

Small intestine:

Stomach:

Skin is the largest organ in the human body.

It is possible to live with only one lung.

Infants do not have as many bones as adults do.

The average adult has more than 2,000 different bones.

Some joints in the body do not move.

The body continues to produce new bone tissue throughout a person's life.

Muscles make up about 10% of a person's total body weight.

The ear is responsible for the body's sense of balance.

The symptoms of Type II diabetes do not appear until a patient reaches adulthood.

There are six chambers in the human heart.

Arteries carry blood away from the heart.

The human heart runs on electrical impulses.

The tonsils have no real purpose in the human body.

Red blood cells in the body help fight disease.

A person can live without a spleen.

The gallbladder is part of the urinary system.

Puberty typically begins between the ages of 8-14.

A neonate is a fertilized egg.

Eyes and ears:

Skin, fingernails, and hair:

Bones, joints, and muscles:

Brain and spinal cord:

Bronchioles and alveoli:

Heart and blood vessels:

Tonsils, lymph nodes, and spleen:

Liver, gallbladder, and pancreas:

Kidneys and bladder:

Testes and uterus:

Adrenal gland and pineal gland: