the endocrine system

  • Created by: IvyVega
  • Created on: 25-05-18 15:52
the key features of the endocrine system
the endocrine system works alongside the nervous system to control vital functions in the body through the action of hormones it works much more slowly than the nervous system but has widespread and powerful effects.
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glands
glands are organs in the body that produce hormones. the major endocrine gland is the pituitary gland, located in the brain. it is called the pituitary gland, located in the brain. it is called th master gland because controles release of hormones
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hormones
hormones are secreted in the bloodstream and affect any cell in the body that has a receptor for that particular hormone
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the endocrine system and the ANS work together
often the endocrine system and the ANS work in parallel, for instance during stressful event. the stress hormone adrenaline is released from the adrenal medulla into the bloodstream.
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the endocrine system and the ANS work together 2
when a stressor is percieved, the hypothalamus triggers activity in the sympathetic branch of the ANS. the ANS changes from its normal resting state to the physiologically aroused sympathetic state.
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the endocrine system and the ANS work together 3
adrenaline triggers physiological changes in target organs in the body. this is called the fight or flight response.
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the endocrine system and the ANS work together 4
once the threat has passed, the parasympathetic nervous system returns the body to its resting state. this acts as a brake and reduces the activites of the body that were increased by the actions of the sympathetic branch.
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Card 2

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glands are organs in the body that produce hormones. the major endocrine gland is the pituitary gland, located in the brain. it is called the pituitary gland, located in the brain. it is called th master gland because controles release of hormones

Back

glands

Card 3

Front

hormones are secreted in the bloodstream and affect any cell in the body that has a receptor for that particular hormone

Back

Preview of the back of card 3

Card 4

Front

often the endocrine system and the ANS work in parallel, for instance during stressful event. the stress hormone adrenaline is released from the adrenal medulla into the bloodstream.

Back

Preview of the back of card 4

Card 5

Front

when a stressor is percieved, the hypothalamus triggers activity in the sympathetic branch of the ANS. the ANS changes from its normal resting state to the physiologically aroused sympathetic state.

Back

Preview of the back of card 5
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