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Modules 6 - 12
| Question | Answer |
|---|---|
| What is the primary difference in function between axial and appendicular muscles ? | Axial - support and movement Appendicular - stabilization |
| what is the main role of neuroglia compared to neurons in nervous system? | neuroglia - support, protect, nourish, and insulate neurons neurons - transmit signals |
| What are the key structural components of the CNS and PNS? | CNS - brain and spinal cord PNS- all nerves outside the CNS |
| Subdivisions of the ANS? | sympathetic, parasympathetic, enteric |
| What is external respiration? | The gas exchange between alveolar air and pulmonary capillary blood (oxygen in, carbon dioxide out) |
| Which gland is called the "master gland"? | The pituitary gland, controls the activity of other glands through hormone release |
| What is tidal volume? | amount of air inhaled or exhaled during normal breath |
| What is the purpose of the myelin sheath? | To insulate axons and increase speed of action potential conduction |
| Main site of gas exchange in the lungs? | Alveoli |
| What law states that pressure and volume are inversely related? | Boyle's Law |