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- The body has regulating systems that restore balance in the internal environment.
- The nervous system and endocrine system are the main regulators of homeostasis.
- The nervous system and endocrine system may work together or independently.
- The nervous system regulates homeostasis using electrical signals.
- These electrical signals are called nerve impulses (action potentials).
- Nerve impulses are sent to organs to counteract changes.
- The endocrine system consists of glands that secrete hormones.
- Hormones are messenger molecules released into the blood.
- Nerve impulses produce rapid changes in the body.
- Hormones produce slower responses in the body.
- Both systems regulate homeostasis through negative feedback mechanisms.
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