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Stack #4579759
| Question | Answer |
|---|---|
| What is the primary function of the autonomic nervous system (ANS)? | To regulate involuntary body functions such as heart rate, digestion, and respiration. |
| Sympathetic Division | The “fight or flight” system that increases alertness, heart rate, and energy availability. |
| What does the parasympathetic nervous system primarily control? | Rest and digestion, energy conservation, and returning the body to homeostasis. |
| Neuron | A nerve cell that transmits electrical and chemical signals throughout the body. |
| Which part of the brain controls balance and coordination? | The cerebellum |
| Action Potential | A rapid change in electrical charge that travels along a neuron’s axon. |
| What structure connects the two hemispheres of the brain? | The corpus callosum. |
| Myelin Sheath | Fatty covering around axons that speeds up electrical signal transmission. |
| What does the endocrine system use to communicate? | Hormones released into the bloodstream. |
| Pituitary Gland | The “master gland” that regulates other endocrine glands. |