Unit4- 5.4~ Organisation and function of endocrine system

Question 1

What components make up the endocrine system?

Answer 1

• Pituitary glands
• Thyroid gland
• Adrenal gland
• Pancrease

Question 2

What is the role of the pituitary gland?

Answer 2

• Often called master gland as it controls several hormone glands: thryoid, adrenals, ovaries, testicles
• Through secretoion of its hromones, the gland controls metabolism, growth, sexual maturation, reproduction, blood pressure

Question 3

What is the role of the thryoid gland?

Answer 3

Produces hormones that regulate the bodys metabolic rate controlling heart, muscles & digestive function, brain development and bone maintenance

Question 4

What is the role of the adrenal gland?

Answer 4

• Produces hormones required for a healthy life
• Prepares the body for action. E.g. increase heart rate & breathing rate
• Linked to fight or flight

Question 5

What is the role of the pancreas?

Answer 5

• Craetes and releases important hormones directly into the bloodstream
• The 2 main pancreatic hormones are insulin , acts to lower blood sugar, and glucagon, acts to raise blood sugar

Question 6

What are hormones?

Answer 6

• They’re chmical substances that act like messenger molecules in the body
• The endocrine system regulates how much of each hormone is released
• Endocrine hormones control mood, growth and development, the way our organs work, metabolism and reproductivity