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Basic Physiology
From Lesson 1.2. The basics of physiological processes.
| Question | Answer |
|---|---|
| What are the 4 types of tissue? | Epithelia, neural, muscular, and connective |
| What are the 12 basic organ systems in humans? | Integumentary, skeletal, muscular, nervous, special sensory, endocrine, respiratory, cardiovascular, lymphatic, digestive, urinary, reproductive |
| How does the homeostasis feedback loop go? | Stimulus, sensor, control, effector, then back to stimulus until balance or conclusion. |
| What does a negative feedback loop in homeostasis intend to do? | Stabilise the body in undesirable conditions like high heat. |
| Why does a positive feedback loop in homeostasis intend to do? | Increase a favourable action such as labour in childbirth. |
| What can negatively effect how well the body can maintain homeostasis? | Aging, damage, disease, and genetics. |
| What is anabolism in metabolism? | The creation of larger molecules from smaller molecules. |
| What is catabolism in metabolism? | The breaking down of larger molecules into smaller molecules. |
| What percentage of the energy from food is used for maintenance in the body? | 60 - 75 % |
| What percentage of energy is used to digest food? | 10 % |
| What is the last 15 - 30 % of energy in the body used for? | Physical activity. |
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