Soc15- The Structure Of The Heart

Question 1

Three functions of cardiovascular system

Answer 1

Control body temp
Transport oxygen, nutrients and carbon dioxide
Blood clot

Question 2

Name the 9 main components of the heart (not including the valves)

Answer 2

Right atrium 
Right ventricle 
Left atrium 
Left ventricle 
Vena cava 
Aorta 
Pulmonary vein 
Pulmonary artery 
Septum

Question 3

Name the three valves in the heart

Answer 3

Bicuspid valve
Tricuspid valve
Semilunar valve

Question 4

Vena cava

Answer 4

Large artery bringing deoxygenated blood into the heart (inferior and superior).

Question 5

Septum

Answer 5

The strong muscle that pumps the heart

Question 6

Pulmonary artery

Answer 6

Large artery carry deoxygenated blood to the lungs

Question 7

Aorta

Answer 7

Large artery carry oxygenated blood to the working muscle (around the body).

Question 8

Pulmonary vein

Answer 8

Large vein carry oxygenated blood back into the heart (from the lungs)

Question 9

What is blood pressure

Answer 9

A measure of the force that your heart uses to pump the blood round your body

Question 10

Name the two phases of the heart beat

Answer 10

Systole and diastole

Question 11

What happens during the systole phase

Answer 11

The blood passes from the atriums and fill up into the ventricles

Question 12

What happens during the second phase of the heart beat (diastole phase).

Answer 12

The blood shoots out from the ventricles into the aorta or pulmonary vein. As this process is occurring the next set of blood then re- fills the atriums once again.

Question 13

Vasodilation

Answer 13

If your body becomes too hot the blood vessels close to the skin get bigger or dilate. This allows more heat radiate out.