Endocrine System

Question 1

What is the endocrine system?

Answer 1

The second control system (after the nervous system), with actions that uses hormones for long term processes.

Question 2

How does the endocrine system function?

Answer 2

A series of glands around the body secrete hormones into the blood stream. When they travel round, they only act upon their target organs.

Question 3

What does adrenaline affect metabolic activity?

Answer 3

+ Skin becomes pale as blood diverts away from skin.
+ Deeper, more rapid breathing
+ Heart beats more rapidly
+ Blood is diverted away from digestive system.
+ Adrenal glands secrete adrenalin
+ Glycogen in muscles converted to glucose.