Circulation

Question 1

Blood transports many substances around the body. These include… (5)

Answer 1

• Oxygen
• Carbon dioxide
• Urea
• Glucose
• Amino acids

Question 2

We have a ? Circulation

Answer 2

Double

Question 3

What is double circulation?

Answer 3

This means that the blood travels through the heart twice to go all around the body once.

Question 4

What side of the heart is more muscular and why?

Answer 4

Left because it has to pump blood all around the body and the right only pumps to the lungs.

Question 5

What are the four chambers in the heart called?

Answer 5

• Left and right atrium

- Left and right ventricle

Question 6

What are the three types of blood vessels?

Answer 6

• Arteries
• Veins
• Capillaries

Question 7

What is the job of the arteries?

Answer 7

To take blood away from the heart.

Question 8

What is the job of the veins?

Answer 8

To take blood back to the heart.

Question 9

What is the job of the capillaries?

Answer 9

To allow food and oxygen to move into the tissues where is needed and carbon dioxide to move back into the blood.

Question 10

Blood is made up of … (4)

Answer 10

• Red blood cells
• White blood cells
• Platelets
• Plasma

Question 11

What is the job of red blood cells?

Answer 11

They carry oxygen.

Question 12

What is the job of white blood cells?

Answer 12

To fight bateria

Question 13

What is the job of platelets?

Answer 13

To help blood clot.

Question 14

What is plasma?

Answer 14

The watery liquid in the blood which carries dissolved substances.

Question 15

A bad diet (too much fat, salt etc), stress and a lack of exercise can increase the risk of a …

Answer 15

heart attack

Question 16

When blood enters the from the body, or is …

Answer 16

Deoxygenated

Question 17

Blood is pumped to the lungs to pick up some…

Answer 17

Oxygen

Question 18

Where does oxygenated blood travel to?

Answer 18

The heart.

Question 19

Where does oxygenated blood go after the heart?

Answer 19

The rest of the body, so that every cell gets its oxygen and can carry out he process of respiration.

Question 20

The blood flowing through the right side of the heart and going to the lungs is called…

Answer 20

Pulmonary circulation

Question 21

The blood flowing through the left side of the heart and going round the rest if the body is called the …

Answer 21

Systemic circulation

Question 22

Which blood vessel carries food to the liver for storage?

Answer 22

Hepatic portal vein

Question 23

Which blood vessel carries blood rich in oxygen away from the lungs?

Answer 23

Pulmonary vein

Question 24

Which blood vessel carries blood back to the heart?

Answer 24

Vena cava

Question 25

Which blood vessel carries blood to the lungs?

Answer 25

Pulmonary artery.

Question 26

Which blood vessel carries rich in oxygen away from the heart?

Answer 26

Aorta

Question 27

Which blood vessel carries blood to the kidneys?

Answer 27

Renal artery

Question 28

What does the heart do?

Answer 28

It pumps blood to the lungs to pick up oxygen and also pumps blood containing sugar and oxygen to every cell in the body in order to carry out respiration.

Question 29

What stops the blood from flowing the wrong way?

Answer 29

A system of one way valves keep the blood flowing the right direction and prevents back flow.

Question 30

Why are the walls of the ventricles thicker than the Atri?

Answer 30

The atria contract and squeeze the blood onto the ventricles. The ventricles must pump blood to the lungs (Right hand side) or the whole way around the body (left hand side).

Question 31

What happens to your heart when you get excited or exercise?

Answer 31

The heart rate increases with exercise or excitement. Muscles need more oxygen and sugar to work. However, the fitter you are the lower your resting heart rate is, and the faster it returns to normal after exercising.

Question 32

What causes your pulse?

Answer 32

The pressure of blood pumped from the heart going through your arteries.

Question 33

What are antibodies produced by?

Answer 33

A certain type of blood cell.

Question 34

What is the body's pump?

Answer 34

Heart