endocrine system and role of adrelanine

Question 1

what does the endocrine system do

Answer 1

• works with nervous system to control bodily functions
• slower than the nervous system

Question 2

what does the es instruct glands to do

Answer 2

• instructs glands to release hormones into the blood stream

Question 3

what are examples of glands and hormones

Answer 3

• thyroxine = released in thyroid gland
  increases heart and metabolic Raes throughout body, affects growth

Question 4

what does es do during stressful situations

Answer 4

• uses the sympathetic pathway during stressful situations , it then uses the endocrine system and the autonomic system to work together for the flight or fight response

Question 5

stages of the endocrine system

Answer 5

• hypothalamus triggers response , changing body from resting state (parasympathetic) to physiologically aroused state (sympathetic)

adrenaline released from adrenal medulla into the blood stream

adrenaline produced physiological responses in body e.g increased heart rate and breathing rate

increased heart rate leads to increased blood flow ( more oxygen and glucose being pumped to muscle and brain)

once stress/danger has passed , parasympathetic ns returns body to resting state

Question 6

what is adrenaline

Answer 6

• hormone produced by adrenal glands
• strong effects on the cells in cardiovascular system
• increases heart rate and contracting blood vessels

Question 7

what does the endocrine system rely on

Answer 7

hormones

Question 8

name the differences between endocrine and nervous

Answer 8

endocrine
- relies on hormones
- transported in blood
- slower but effects last longer

nervous
- relies on eléctrical impluses
- transported in nerve cells (neurons)
- very fast but effects dont last longer than a second

Question 9

outline 1 glands that form part of the endocrine system and outline their functions

Answer 9

• adrenal gland secrets adrenaline
• causeing physicological changes associated with arousal, fight or flight