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Damaris N
Physiology Wk 1-7
| Question | Answer |
|---|---|
| Homeostasis | The relatively constant states maintained in the body; standing or staying the same |
| Integumentary System (Function) | Separates internal environment from external environment; provides stability of internal fluid volume |
| Skeletal System (Function) | Supports and protects internal environment, allows movement; stores minerals |
| Muscular System (Function) | Powers and directs movements; provides heat |
| Nervous System (Function) | Regulates homeostatic mechanisms, sensing changes, integrating information, sending signals to effector |
| Endocrine System (Function) | Regulates homeostasis by secreting hormones that travel to effector cells |
| Cardiovascular System (Function) | Transports nutrients, water, oxygen, hormones, wastes, and other materials and heat within the internal environment |
| Lymphatic System (Function) | Maintains constant fluid pressure by draining excess fluid from tissues, cleaning it, and recycling it to bloodstream |
| Immune System (Function) | Defends against harmful agents |
| Respiratory System (Function) | Maintains stable O2 and CO2 levels in body by exchanging these gases between external and internal environments |
| Digestive System (Function) | Maintains nutrient level by digesting food and absorbing nutrients into internal environment |
| Urinary System (Function) | Maintains constantly low level of waste and regulates pH of internal environment; helps maintain constancy of internal water volume |
| Reproductive System (Function) | Passes genetic code to offspring |
| Collagen | Strong, flexible structural protein fiber that forms ropelike bundle |
| Elastin | Rubbery protein that is held in a fibrous shape by long thin microfilaments; returns to original length after stretched |
| Neuromuscular Junction (NMJ) | Type of connection called synapse, is characterized by a narrow gap, or synaptic cleft, across which neurotransmitter molecules transmit signals |
| Synapse | The place where signals are transmitted from one neuron to another (presynaptic to postsynaptic) |
| Neurotransmitters | Chemical messengers that are the means of communication between neurons |
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damarisn
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