Blood vessels and the heart

Question 1

What are the three types of blood vessels?

Answer 1

Arteries, Veins, Capillaries

Question 2

What makes up blood?

Answer 2

Plasma, a liquid that contains:
Red blood cells
White blood cells
Platelets

Question 3

What do red blood cells do?

Answer 3

Red blood cells carry oxygen around the body

Question 4

What do white blood cells do?

Answer 4

White blood cells can make anti-bodies and eat pathogens

Question 5

What do platelets do?

Answer 5

Clot blood and make scabs

Question 6

What are the properties of arteries?

Answer 6

Highest pressure
Elasticated to withstand high pressures
Thick so they don’t burst
Take blood away from the heart

Question 7

What are the properties of veins?

Answer 7

Low pressure
Red blood cells carry CO(2) mostly
Much wider
Has valves to stop backflow
Carry blood to heart

Question 8

What are the properties of capillaries?

Answer 8

Thin to allow diffusion and active transport

Very low pressure to stop bursting

Question 9

What are the four chambers of the heart?

Answer 9

Right atrium, left atrium, right ventricle, left ventricle

Question 10

What takes blood away from the heart to the lungs?

Answer 10

Pulmonary artery

Question 11

What takes blood back to the heart from the lungs?

Answer 11

Pulmonary vein

Question 12

What takes blood from the body to the heart?

Answer 12

Vena Cava

Question 13

What takes blood from the heart to the rest of the body?

Answer 13

Aorta