Circulatory System

Question 1

what is the circulatory system a series of?

Answer 1

a series of tubes or vessels that carry blood to ALL parts of the body

Question 2

what are the major components of the circulatory system?

Answer 2

heart
blood vessels
capillaries
blood

Question 3

what does EACH major component do for the body?

Answer 3

heart- pumps blood through the circulatory system

blood vessels- carries blood AWAY from the heart and carry blood BACK TOWARDS the heart

capillaries- delivers substances to the cells

blood- medium that transports various substances, eg. water, oxygen

Question 4

what is the circulatory system a complex of?

Answer 4

a complex network of blood vessels that deliver blood to every cell in the body

Question 5

what is at the center of the network? and the purpose

Answer 5

the heart, to pump blood around the blood vessels

Question 6

What can the human circulatory system be described as, and why

Answer 6

a double circulatory system because it has 2 circuits or parts to it

Question 7

what happens in one circuit?

Answer 7

blood passes through the heart and lungs

Question 8

what happens in the lungs?

Answer 8

blod absorbs oxygen and releases carbon dioxide and water vapour

Question 9

what happens in the second circuit?

Answer 9

bloo passes between the heart and rest of the body

Question 10

essential substances such as oxygen and glucose are carried where?

Answer 10

it is carried to the rest of the body

Question 11

what happens to the waste produts such as carbon dioxide and urea?

Answer 11

they are removed