Blood, Heart, Breathing and Plant Transport

Question 1

How is oxygen carried around the body

Answer 1

Oxygen binds to haemoglobin (on red blood cells) forming

oxyhaemoglobin which is carried to all cells for respiration.

Question 2

What is the function of white blood cells

Answer 2

To fight decease

Question 3

Name the two types of white blood cells

Answer 3

Lymphocytes

Phagocytes

Question 4

What does the phagocyte do

Answer 4

It engulfs pathogens and digests them

Question 5

What do lymphocytes do

Answer 5

produce antibodies which attach the pathogen and destroy it.

Question 6

What is the function of an artery

Answer 6

It transports oxygenated blood under high pressure away from the heart
except the pulmonary artery which transports deoxygenated blood to the lungs

Question 7

What is the function of a vein

Answer 7

It transports deoxygenated blood to the heart

except the pulmonary vein which transports oxygenated blood into the left atrium

Question 8

What is the function of a capillary

Answer 8

allow fast exchange/diffusion of substances out of the blood into the body cells/tissues.

Question 9

Pathway of blood flow through the heart

Answer 9

Vena cava -> right atrium -> right ventricle -> pulmonary artery -> Pulmonary vein -> left atrium -> left ventricle -> aorta

Question 10

What is the function of the aorta

Answer 10

pumps blood all around the body

Question 11

What are the coronary arteries

Answer 11

these are the arteries that supply the heart muscle with oxygen
and glucose for respiration