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the circulatory system

Total questions: 16

Worksheet time: 3mins

Name
Class
Date
1.

What are the main organs of the circulatory system?

a)

brain, spine, & nerves

b)

heart, arteries, & veins

c)

heart, lungs, & veins

d)

skin, nails, & hair

2.

What are the smaller vessels that connect the arteries and veins called?

a)

mini veins

b)

blood vessels

c)

capillaries

3.

What system does the circulatory system work with to obtain oxygen for the body?

a)

digestive system

b)

renal system

c)

nervous system

d)

respiratory system

4.

The purpose of the valves (part 3) is to prevent blood flowing backwards so that it flows in the right direction

a)

True

b)

False

5.

Veins carry oxygen poor blood back to the heart.

a)

False

b)

True

6.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

7.

In the lungs, the blood gets rid of...

a)

Oxygen

b)

Carbon Dioxide

8.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
9.

What do the arteries do?

a)

pumps blood to the heart

b)

pumps blood to and from the heart

c)

carry's blood away from the heart (except pulmonary artery)

d)

a muscle

10.

After the right ventricle, the blood goes through the pulmonary artery to...

a)

Lungs

b)

Heart

11.
Your blood is made up of which of the following...
a)
plasma, red blood cells, blue blood cells
b)
white and red blood cells
c)
plasma and platelets
d)
plasma, red blood cells, white blood cells, and platelets
12.

Identify part A

a)

Pulmonary veins

b)

Pulmonary artery

c)

Aorta

d)

Vena cava

13.

The heart is about the size and shape of your . . .

a)

head

b)

fist

c)

hand

d)

foot

14.

Identify part B

a)

Pulmonary veins

b)

Pulmonary artery

c)

Aorta

d)

Vena cava

15.
The heart is divided into how many parts.
a)
2
b)
4
c)
8
d)
1
16.

Identify part X

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle