Anatomy and Physiology - Life Functions/Survival Needs
Terms in this set (13)
- Movement of substances internally.
Ability to sense changes and react.
Breakdown and absorption of nutrients.
Chemical reactions within the body.
- Break down complex molecules into smaller ones.
- Build larger molecules from smaller ones.
- Produces energy (ATP).
- Regulated by hormones.
- Eliminates waste from metabolic reactions.
- Wastes may be removed in urine or feces.
- Occurs on cellular level (division) or organismal level (offspring).
- Produces future generation.
- Increases cell size and number of cells.
- Directed by hormones.
- Chemicals for energy and cell building.
- Includes carbohydrates, proteins, lipids, vitamins, and minerals.
Required for chemical reactions (respiration).
- 60 to 80 percent of body weight.
- Most abundant chemical in the human body.
- Provides for metabolic reaction.
Stable Body Temperature
- 37°C (98°F)
- Affects reaction rates.
- Must be appropriate for gas exchange.