Human Body Systems Exam Questions and
Correct Answers
Tissue - CORRECT ANSWER✅✅✅A group of similar cells that perform a specific
function.
Organ - CORRECT ANSWER✅✅✅A body structure that is composed of different kinds of
tissues that work together.
Organ System - CORRECT ANSWER✅✅✅A group of organs that work together to
perform a major function.
Stimulus - CORRECT ANSWER✅✅✅Any change or signal in the environment that can
make an organism react in some way.
Response - CORRECT ANSWER✅✅✅An action or change in behavior that occurs as a
result of a stimulus.
Gland - CORRECT ANSWER✅✅✅An organ that produces and releases chemicals either
through ducts or into the bloodstream.
Hormone - CORRECT ANSWER✅✅✅The chemical produced by an endocrine gland. A
chemical that affects growth and development.
Stress - CORRECT ANSWER✅✅✅the reaction of a person's body to potentially
threatening, challenging, or disturbing events
Digestion - CORRECT ANSWER✅✅✅The process that breaks complex molecules of food
into smaller nutrient molecules.
, Nutrients - CORRECT ANSWER✅✅✅Substances in food that provide the raw materials
and energy needed for an organism to carry out essential processes.
Carbohydrates - CORRECT ANSWER✅✅✅An energy-rich organic compound, such as a
sugar or a starch, that is made of the elements carbon, hydrogen, and oxygen.
Peristalsis - CORRECT ANSWER✅✅✅Waves of smooth muscle contractions that move
food through the esophagus toward the stomach.
Saliva - CORRECT ANSWER✅✅✅A fluid produced in the mouth that aids in mechanical
and chemical digestion
Enzyme - CORRECT ANSWER✅✅✅A type of protein that speeds up a chemical reaction
in a living thing
Circulatory System - CORRECT ANSWER✅✅✅An organ system that transports needed
materials to cells and removes wastes.
Artery - CORRECT ANSWER✅✅✅A blood vessel that carries blood away from the heart
Capillary - CORRECT ANSWER✅✅✅A tiny blood vessel where substances are exchanged
between the blood and the body cells.
Vein - CORRECT ANSWER✅✅✅A blood vessel that carries blood back to the heart.
Lymph - CORRECT ANSWER✅✅✅Fluid that travels through the lymphatic system
consisting of water, white blood cells, and dissolved materials.
Bronchi - CORRECT ANSWER✅✅✅The passages that direct air into the lungs
Correct Answers
Tissue - CORRECT ANSWER✅✅✅A group of similar cells that perform a specific
function.
Organ - CORRECT ANSWER✅✅✅A body structure that is composed of different kinds of
tissues that work together.
Organ System - CORRECT ANSWER✅✅✅A group of organs that work together to
perform a major function.
Stimulus - CORRECT ANSWER✅✅✅Any change or signal in the environment that can
make an organism react in some way.
Response - CORRECT ANSWER✅✅✅An action or change in behavior that occurs as a
result of a stimulus.
Gland - CORRECT ANSWER✅✅✅An organ that produces and releases chemicals either
through ducts or into the bloodstream.
Hormone - CORRECT ANSWER✅✅✅The chemical produced by an endocrine gland. A
chemical that affects growth and development.
Stress - CORRECT ANSWER✅✅✅the reaction of a person's body to potentially
threatening, challenging, or disturbing events
Digestion - CORRECT ANSWER✅✅✅The process that breaks complex molecules of food
into smaller nutrient molecules.
, Nutrients - CORRECT ANSWER✅✅✅Substances in food that provide the raw materials
and energy needed for an organism to carry out essential processes.
Carbohydrates - CORRECT ANSWER✅✅✅An energy-rich organic compound, such as a
sugar or a starch, that is made of the elements carbon, hydrogen, and oxygen.
Peristalsis - CORRECT ANSWER✅✅✅Waves of smooth muscle contractions that move
food through the esophagus toward the stomach.
Saliva - CORRECT ANSWER✅✅✅A fluid produced in the mouth that aids in mechanical
and chemical digestion
Enzyme - CORRECT ANSWER✅✅✅A type of protein that speeds up a chemical reaction
in a living thing
Circulatory System - CORRECT ANSWER✅✅✅An organ system that transports needed
materials to cells and removes wastes.
Artery - CORRECT ANSWER✅✅✅A blood vessel that carries blood away from the heart
Capillary - CORRECT ANSWER✅✅✅A tiny blood vessel where substances are exchanged
between the blood and the body cells.
Vein - CORRECT ANSWER✅✅✅A blood vessel that carries blood back to the heart.
Lymph - CORRECT ANSWER✅✅✅Fluid that travels through the lymphatic system
consisting of water, white blood cells, and dissolved materials.
Bronchi - CORRECT ANSWER✅✅✅The passages that direct air into the lungs
