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Week 7-13
week 14 assignment
| Question | Answer |
|---|---|
| Ligand-gated ion channels: | Protein channels that open when a chemical attaches, letting ions move in or out of a cell. |
| Action potential: | A fast electrical signal a neuron uses to send messages. |
| The nervous system: | The body’s fast communication system made of the brain, spinal cord, and nerves. |
| The endocrine system: | Glands that release hormones into the blood to control body functions. |
| Endocrine gland hormones: | Chemical messengers like insulin, cortisol, estrogen, and thyroid hormone. |
| Blood: | A fluid that transports oxygen, nutrients, hormones, and helps with immunity and clotting. |
| Two circulations in the body: | Pulmonary circulation moves blood between heart and lungs; systemic circulation moves blood between the heart and the rest of the body. |
| The lymphatic system: | A system that returns fluid to the blood, absorbs fats, and supports immunity. |
| Lung volume: | The amount of air the lungs can hold during normal breathing and deep breaths. |
| Digestion and transporting fats: | Fats are broken down in the intestine, packaged into chylomicrons, and carried through the lymphatic system into the bloodstream. |
Created by:
Angellupina