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Mid term Phys
| Question | Answer |
|---|---|
| Where is the body's thermostat located? | the hypothalamus |
| What is a setpoint? | normal reading or range of normal |
| What element is present in all proteins but not carbohydrates? | nitrogen |
| What is a free radical? | functional group that is temporarily unattached and is highly reactive because of unpaired electrons |
| What happens during Prophase? | the centrioles move to the opposite poles of the cell |
| the correct phases of mitosis: | prophase, metaphase, anaphase, telophase |
| Cells form the blood-brain barrier that protects the brain from harmful substances in the blood are called | Astrocytes |
| which epidermal layer is able to undergo mitosis? | stratum basale |
| Bones grow in diameter by the combined action... | osteoblasts and osteoclasts |
| What are skeletal muscles innervated by? | somatic motor neurons |
| What fibers are considered fast twitch? | White fibers |
| What happens during an isometric contraction? | the tension within the muscle remains the same but the length changes |