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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 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 |
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 bodys cells need to carry out all thier essentsial processes |
absorption | The process by which nutient molecules pass through the wall of digestive system into the blood |
carbohydrates | a energy-rich organic compound,such as sugar or starch, that is made of the elements carbon,hydrogen and oxygen |
peristalsis | waves of smooth muscle contractions that move food through the esophagus toward the stomach |