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Biochemistry Part 2

Biochemistry Part 2 - The Human Body

Digestive System The body system that breaks down food into molecules that serve as fuel for all organisms. Includes the mouth, stomach, and intestines.
ingest To take into the body.
Respiratory System The body system that is responsible for gas exchange in organisms. Includes the lungs.
gas exchange Trading oxygen and carbon dioxide.
Circulatory System The body system that delivers nutrients and oxygen to cells, and takes wastes like carbon dioxide away from cells. Includes the heart and blood vessels.
transport To move or to carry from one place to another.
Nervous System The system that coordinates and controls the body's response to changes in the environment. Includes the brain, spinal cord, and nerves.
stimulus A change in the environment
response The way your body reacts to a change in the environment.
environment An organism's surroundings.
Endocrine System The body system that produces chemical messengers called hormones, which help to coordinate and control the body's response to changes in the environment. Includes glands.
secretes To release or give off.
hormones Chemical messages released from glands. Carried throughout the body by blood.
regulation / homeostasis All body systems interact (work together) to maintain an internal (inside) balance and keep an organism healthy.
enzyme Made by living things. Speeds up a chemical reaction.
diffusion A process where molecules pass through a membrane.
gland an organ that makes enzymes or hormones that are secreted into the body
capillaries small blood vessels that allow for the diffusion of materials into and out of the cells.
feedback mechanisms (systems) a cycle that receives feedback (information) to keep the body's internal environment within certain limits (Ex: blood sugar level)
via through or by
Created by: kjoseph
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