Function Of The Endocrine System

Question 1

What are the functions of the endocrine system?

Answer 1

• provides a chemical system of communication within bloodstream to regulate activity of cells and organs in body
• chemical messengers are hormones, which are released by glands within endocrine system to regulate many bodily functions
• slower than nervous system but effects are more widespread and powerful

Question 2

Describe the role of glands in the endocrine system

Answer 2

• gland is an organ that releases hormones that control functions in the body
• there are many diff glands in the body
• such as the pituitary gland, pineal gland, adrenal gland, ovaries and testes (only need to know 2 for exam)

Question 3

Describe the function of the pituitary gland

Answer 3

• known as the master gland
• releases many diff hormones that control the function of the other glands

Question 4

Describe the function of the pineal gland

Answer 4

• releases hormone melatonin
• which is involved in regulating sleep - wake cycle by making person feel tired + ready to sleep

Question 5

Describe the function of the adrenal gland

Answer 5

• releases adrenaline
• involved in fight or flight response causing physiological changes
• such as inc blood flow to transport oxygen to brain quicker for rapid response planning