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Rickel Allen SCI221
Anatomy
| Question | Answer |
|---|---|
| Homeostasis | The relatively constant states maintained by the body. |
| Temperature regulation by action of a thermostatically regulated furnace is a classic example of | negative feedback |
| Phospholipid bilayer reinforced with cholesterol and embedded with proteins and other accessories | Plasma membrane |
| Network of canals and sacs extending from the nuclear envelope; may have ribosomes attached | Endoplasmic reticulum (ER |
| At rest neuron’s membrane potential is typically maintained at | 70 mV |
| What maintains an imbalance in the distribution of positive ions, maintaining a difference in electrical charge across the membrane. | The sodium-potassium pump |
| Nerves that originate from the brain or exit through the skull are called | cranial nerves |
| The somatic nervous system (SNS) regulates the somatic effectors, which are | skeletal muscles. |
| Afferent pathways are part of | somatic sensory division, |
| Found only in the CNS, they are the largest and most numerous type of glia | astrocytes |
| Forms layers of Schwann cell membrane containing the white, fatty sub-stance | myelin sheath |