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Human Body Systems
Term | Definition |
---|---|
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 dusts 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 on 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 | a energy-rich o |