HORMONAL COORDINATION

Question 1

What is a hormone

Answer 1

A chemical substance produced by the endocrine gland and is carried in blood to alter activities of one or more specific target organs

Question 2

Pancreas

Answer 2

Insulin&raquo_space; Stimulate the liver cells to convert excess glucose to glycogen

Glucagon&raquo_space;Stimulate the liver cells to convert glycogen back to glucose

Question 3

Ovaries and Testes

Answer 3

Oestrogen» Repairs walls of the uterus
Progesterone&raquo_space; maintains walls of the uterus

Testosterone&raquo_space; responsible for secondary sexual characteristics

Question 4

Thyroid gland

Answer 4

Thyroxine&raquo_space; Speed up metabolism

Question 5

Adrenal gland

Answer 5

Adrenaline&raquo_space;prepares the body for action

Question 6

Pituitary gland

Answer 6

ADH»controls amount of water in the body
FSH and LH»Regulate ovulation
Thyroid hormone» Stimulate thyroxine
Growth hormone» responsible for growth

Question 7

Effects if adrenaline on the body

Answer 7

1. Breathing rate increases
2. Heartbeat increases
3. Stimulate the conversion of glycogen to glucose

Question 8

Adrenaline increases breathing rate

Answer 8

More oxygen is taken to the muscles for the process of respiration to generate energy and carbon dioxide is removed rapidly

Question 9

Adrenaline increases heartbeat rate

Answer 9

More blood carrying oxygen is delivered to the body for the process of respiration to generate energy

Question 10

Adrenaline Stimulate the conversion of glycogen to glucose

Answer 10

Glycogen is converted to glucose so that it can be used in the process of respiration to generate energy

Question 11

Difference between the nervous and endocrine gland

Answer 11

Nervous system nature of message is electrical impulse while for endocrine gland is chemicals

Nerves travels in nerve cells while endocrine hormones travels in blood

Nervous system response is short term while endocrine is long term