Hormones (Humans)

Question 1

What are hormones?

Answer 1

They are chemical messengers which travel in the blood to activate target cells

Question 2

What produces many important hormones ?

Answer 2

The pituitary gland

Question 3

Name two hormones that the pituitary gland produces

Answer 3

FSH and LH

Question 4

What do the ovaries produce?

Answer 4

oestrogen which is important in the menstrual cycle

Question 5

Name 3 things nerves do?

Answer 5

1) very fast reaction
2) Act for a very short time
3) Act on a precise area

Question 6

Name things Hormones do?

Answer 6

1) Slower action
2) Act for a long time
3) Act in more general way

Question 7

Describe the menstrual cycle

Answer 7

1) when the the bleeding starts
2) the lining of the uterus builds up again for day 4-14
3) An egg is released from the very day 10
4) The wall is then maintained for about 14 days until day 28

Question 8

What is FSH caused by?

Answer 8

An egg maturing in one of the ovaries

Question 9

What does FSH do to the ovaries?

Answer 9

It stimulates them to produce oestrogen

Question 10

What causes the pituitary gland to produce LH?

Answer 10

Oestrogen

Question 11

Where is Oestrogen produced?

Answer 11

In the ovaries

Question 12

What does oestrogen further inhabit?

Answer 12

The release of FSH

Question 13

Where is LH produced?

Answer 13

In the pituitary gland

Question 14

With the hormone LH what does the stimulus do?

Answer 14

releases an egg around the middle of the cycle

Question 15

What are two hormones that stop eggs from maturing?

Answer 15

1) Progesterone

2) Oestrogen