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Circulatory system

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

What type of blood vessels carry blood away from the heart?

a)

Capillaries

b)

Veins

c)

Arteries

2.

Why is the human circulatory system a DOUBLE circulatory system?

a)

Because of the oxygenated and deoxygenated blood.

b)

Because of the veins and arteries taking the blood in two directions.

c)

Because of two directions: heart -lungs and heart-body.

d)

Because of the circulation on the left and on the right side of the body.

3.

Tick all the characteristics of CAPILLARIES:

a)

very tiny

b)

walls made of one layer of cells

c)

strong, muscular walls

d)

small lumen

4.

Plasma has the following function:

a)

to carry oxyhaemoglobin

b)

to create antibodies

c)

to transport different substances

5.

Red blood cells (RBC) have the following adaptations:

a)

they carry oxyhaemoglobin

b)

they fight pathogens

c)

they have no nucleus

d)

they have a biconcave shape

6.

Platelets aren't cells. True or False?

a)

True

b)

False

7.

This is the largest artery in your body, and it carries oxygenated blood from the heart to the rest of the body.

a)

Pulmonary artery

b)

Vena cava

c)

Aorta

d)

Pulmonary vein

8.

Tick the characteristics of VEINS:

a)

thinner walls than other blood vessels

b)

they contain valves

c)

they have very elastic walls

d)

their walls aren't ery elastic

9.

What's the name of the vessel that transports oxygenated blood from the lungs to the heart?

a)

Pulmonary artery

b)

Pulmonary vein

c)

Vena Cava

d)

Aorta

10.

Tick the correct names for the 4 chambers of the heart:

a)

left atrium and right atrium

b)

upper atria

c)

left ventricle and right ventricle

d)

lower ventricles