5.2 Hormonal Coordination

Question 1

What is the endocrine system?

Answer 1

The system of glands that secrete hormones to regulate processes in the body

Question 2

What is a hormone?

Answer 2

A chemical messenger produced by glands in the endocrine system

Question 3

What is the function of insulin?

Answer 3

Insulin regulates blood sugar levels by promoting the uptake of glucose into cells

Question 4

What is the function of adrenaline?

Answer 4

Adrenaline prepares the body for fight or flight by increasing heart rate and blood flow to muscles

Question 5

What is the function of thyroxine?

Answer 5

Thyroxine regulates metabolism and energy use in the body

Question 6

What is the function of estrogen?

Answer 6

Estrogen is involved in the menstrual cycle and the development of female secondary sexual characteristics

Question 7

What is the role of the pituitary gland?

Answer 7

The pituitary gland releases hormones that regulate other glands, such as the thyroid and adrenal glands

Question 8

What is negative feedback?

Answer 8

A mechanism that maintains stable conditions by reversing any changes that deviate from the set point