The endocrine system

Question 1

What are the major endocrine glands?

Answer 1

Pituitary, Hypothalamus, Thyroid, Parathyroid, Adrenal, Gonads, Pancreas

Question 2

In the endocrine system what does negative feedback mean?

Answer 2

It means that when the level of a hormone is elevated in the blood it feeds back on the gland that produced it signalling for its production to be reduced to return that level to normal.

Question 3

In the endocrine system what does positive feedback mean?

Answer 3

It means that when the level of a hormone is reduced in the blood it feeds back on the gland that produced it signalling for its production to be increased to return that level to normal.

Question 4

Which endocrine gland connects the central nervous system with the endocrine system?

Answer 4

The Hypothalamus

Question 5

What does the thyroid gland produce?

Answer 5

Thyroid hormones (T4 and T3)

Question 6

What 2 hormones control the level of glucose in the blood?

Answer 6

Insulin and Glucagon

Question 7

What is the main hormone produced by the testes?

Answer 7

Testosterone

Question 8

What is the main hormone produced by the ovaries?

Answer 8

Estrogen

Question 9

What does Estrogen do?

Answer 9

Estrogens are responsible for the physical and behavioral changes that prepare the female for breeding and pregnancy and signal the male that the time for breeding is approaching.