The Endocrine System

Question 1

what is the endocrine system?

Answer 1

works alongside nervous system to control vital functions in the body

Question 2

what are the differences between the nervous system and endocrine system?

Answer 2

endocrine system:
- acts more slowly than the nervous system
- widespread and powerful effects
- glands in the body produced hormones

Question 3

what are hormones?

Answer 3

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

Question 4

what is the thyroid gland?

Answer 4

• produces thyroxine
• affects cells in the heart (increases heart rate)
• increases metabolic rate
• affects growth rates

Question 5

what is the pituitary gland?

Answer 5

• located in the brain
• -master gland’
• controls the release of hormones from other endocrine glands in the body

Question 6

what is the process of fight or flight?

Answer 6

• when a stressor is perceived
• hypothalamus activates pituitary gland and this triggers activity in the sympathetic branch of ANS
• ANS changes from normal resting state(parasympathetic) to physiologically aroused sympathetic state

Question 7

what was adrenaline?

Answer 7

• stress hormone is released by the adrenal medulla (adrenal gland)
• adrenaline triggers physiological changes in the body, which creates the physiological arousal necessary for fight or flight

Question 8

what is meant is immediate and automatic?

Answer 8

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