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ShennekkaBoyd
Human Physiology 1
| Term | Definition |
|---|---|
| Homeostasis | stability, balance, or equilibrium within a cell or the body. It is an organism’s ability to keep a constant internal environment. |
| Biomolecule | any organic molecule, like proteins, lipids, carbohydrates, and nucleic acids, that is essential for life and found in living organism |
| DNA | a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information |
| Cell | the basic functional unit of the body |
| Metabolism | the set of chemical reactions in your body's cells that convert food into the energy needed to live, grow, and maintain bodily functions |
| Integumentary system | a complex organ system that comprises the skin, hair, nails, and associated glands. It plays crucial roles in protecting the body, regulating temperature, sensing stimuli, and producing essential substances. |
| Dehydration | a condition that occurs when the body loses more fluids than it takes in, leading to a depletion of body fluids. This can result from factors such as: Insufficient water intake, Excessive sweating, Diarrhea or vomiting, and Fever. |
| Skeletal system | the body's framework of bones, cartilage, ligaments, and other connective tissues that provides support, protection, and structure. |
| Acetylcholine | a neurotransmitter, a chemical messenger that transmits signals between neurons and other cells in the body. |
| Sarcoplasmic reticulum | a specialized form of endoplasmic reticulum found in muscle cells, primarily responsible for storing and releasing calcium ions (\(Ca^{2+}\)). |