Structure Of The Heart

Question 1

How is deoxygenated blood gets oxygenated

Answer 1

• the vena cava brings deoxygenated bloood into the right atrium
• the blood then passes into the right ventricle
• the blood then passes through the pulmonary valve into the artery where it goes to get oxygenated
• comes from the lungs
• it passes into the left ventricle through the bicuspid valve
• it gets passes through the aortic valve and gets sent round the body

Question 2

Systole

Answer 2

The phase of the heartbeat when the heart pumps muscle contracts and pumps blood from the chambers into the arteries

Question 3

Diastole

Answer 3

The phase of the heartbeat when the heart muscle relaxes and lets the chambers fill with blood

Question 4

Blood pressure

Answer 4

Pressure of the blood against the walls of the blood vessels

Question 5

What are the three types of bloood vessels

Answer 5

Arteries
Veins
Capillaries

Question 6

What is an artery

Answer 6

An artery is a blood vessel taking blood away from the heart
They carry oxygenated blood away from the heart
Through the lumen

Question 7

What is a vein

Answer 7

A vein is a vessel carrying blood to the heart
Rarely pulsate
Thin walls
They contain many valves to stop backflow

Question 8

What is a capillary

Answer 8

They are microscopic cells that are just one cell thick
Blood pressure is very low
Capillaries are where gas exchange takes place.