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phys wk 14
physiology
| Question | Answer |
|---|---|
| action potential | An action potential is a rapid sequence of changes in the voltage across a membrane. |
| membrane potential | potential gradient that forces ions to passively move in one direction |
| autonomic nervous system | , heart and circulatory system |
| peripheral nervous system | two parts: autonomic and somatic |
| endocrine system | controls body cavities by releasing mediators called hormones |
| primary functions of blood | transport, provide, remove |
| pulmonary ventilation | breathing |
| lymphatic tissue function | major jobs is to collect extra lymph fluid from body tissues and return it to the blood. it's a defense |
| function of hemoglobin | essential for transferring oxygen in your blood from the lungs to the tissues. |
| where are red blood cells formed | Red blood cells are formed in the red bone marrow of bones |