The heart and blood vessels B2

Question 1

Pulmonary artery transfers blood to

Answer 1

Lungs

Question 2

Transfers blood to the rest of the body

Answer 2

Aorta

Question 3

Transfers blood from lungs to heart

Answer 3

Pulmonary veins

Question 4

Forces blood full of oxygen out to the body.

Answer 4

Left ventricle

Question 5

pumps blood low in oxygen to the lungs

Answer 5

Right ventricle

Question 6

receives blood low in oxygen from the body and then empties the blood into the right ventricle.

Answer 6

Right atrium

Question 7

receives oxygenated blood from the lungs and pumps it into the left ventricle.

Answer 7

Left atrium

Question 8

Transfers blood from body to heart

Answer 8

Vena cava

Question 9

1. Small lumen, 2. thick muscle wall and elastic fibres. 1.Blood will be under high pressure so can flow quickly. 2. Strengthens muscle wall

Answer 9

Artery

Question 10

1. Large lumen as it doesn’t need to maintain high pressure. 2. Thin muscle and elastic fibres-don’t need to handle as much pressure. 3. Valves which stop back flow of blood.

Answer 10

Vein

Question 11

1. Wall is one cell thick so substances can diffuse through the thin lining . 2.narrow lumen allowing exchange of nutrients and gasses. 3.body cells control the flow of fluid, nutrients and gases

Answer 11

Capillary