Endocrine system
- Created by: __Jess
- Created on: 04-12-22 09:17
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- Endocrine system
- Instructs glands to release hormones directly into the bloodstream.
- Glands
- An organ that synthesises hormones
- Examples of glands
- Pituitary gland
- Adrenal gland
- Ovaries
- Testes
- Thyroid
- Parathyroid
- Hormones
- A biochemical substance that affects target organs
- Produced in large quantities but disappear quickly
- Glands
- Stressful situations
- Hypothalamus activates the pituitary gland
- Triggers the sympathetic brand of the autonomic nervous system
- ANS changes from it's resting parasympathetic state to it's sympathetic state
- Triggers the sympathetic brand of the autonomic nervous system
- Adrenaline is released, triggering the fight or flight response
- The response is immediate and automatic
- The parasympathetic response takes over the sympathetic response when the danger is gone
- Sometimes referred to as the rest and digest response
- Hypothalamus activates the pituitary gland
- Instructs glands to release hormones directly into the bloodstream.
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