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human body systems

TermDefinition
tissue a group of similar cells that perform a specific function
organ a body structure that is composed of different kinds of tissues that work together
organ system a group of organs that work together to perform a major function
gland an organ that produces and releases chemicals either through ducts or into the bloodstream
hormone (1) the chemical produced by an endocrine gland (2) A chemical that affects growth and development
stress the reaction of a person's body to potentially threatening ,challenging,or disturbing events
interactions the direct effect that one thing has another
stable resistant to sudden change
digestion the process by which your body breaks down food into small nutrient molecules
nutrients the substances in food that provide the raw materials the body's cells need to carry out all their essential processes
absorption the process by which nutrient molecules pass through the wall of the digestive system into the blood
carbohydrates
peristalsis
saliva
Enzymes
Elimination
circulatory system
contract to draw together;to reduce in size
Artery
Vein
capillary
Lymph
Bronchi
Alveoli
Excretion
Nephron
Neuron
synapse
impulse
Brain the part of the central nervous system that is located in the skull and controls most function of the body
spinal cord thick column of nervous system tissue that links the brain to most of the nerves that branch out through the body
Reflex automatic response that occurs without conscious control through the somatic nervous system
Negative feedback the process by which a system is turned off by the condition it produces
Created by: user-1718146
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