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Circulatory and Respiratory Systems Quiz

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

2.

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.

3.

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

a)

head

b)

fist

c)

hand

d)

foot

4.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
5.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

6.

Veins carry oxygen poor blood back to the heart.

a)

False

b)

True

7.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
8.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
9.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
10.

Carry blood away from heart; mostly oxygen-rich

a)

Arteries

b)

Veins

c)

Capillaries

11.

The heart is a double muscular pump because it pumps both oxygenated and deoxygenated blood around the body.

a)

True

b)

False

12.

The cells in the blood that help fight germs and illnesses are the...

a)

red blood cells

b)

platelets

c)

white blood cells

d)

axons

13.

Which best describes the relationship between the muscular system and the circulatory system?

a)

The circulatory system captures carbon dioxide from the air for muscle energy.

b)

The circulatory system produces red blood cells to bring oxygen to the muscles

c)

The circulatory system provides a framework for muscle movement

d)

The circulatory system delivers oxygen for muscle energy

14.
The liquid part of blood that makes up 55% of its composition?
a)
Plasma
b)
Platelets
c)
White blood cells
d)
Red blood cells
15.

Which of the following is NOT a function of the respiratory system?

a)

Deliver oxygen to cells

b)

Remove carbon dioxide from cells

c)

Transport nutrients, oxygen and hormones around the body

d)

Enables animals to breathe

16.

Where in the lungs does gas exchange occur?

a)

Trachea

b)

Alveoli

c)

Lungs

d)

Bronchiole

17.

What is another name for the Trachea?

a)

Throat

b)

Voice box

c)

Windpipe

d)

Larynx

18.

Which of the following is a sheet of muscles that is mainly responsible for breathing?

a)

Diaphragm

b)

Pharynx

c)

Intercostal muscles

d)

Capillaries

19.

This is where the air that comes in is warmed, moisturized and is filtered before going to the lungs.

a)

Nasal Cavity

b)

Trachea

c)

Oral Cavity

d)

Capillary

20.

Which of the following is the MAIN organ in the respiratory system?

a)

Heart

b)

Lungs

c)

Kidney

d)

Diaphragm

21.

What is the scientific name for the voice box?

a)

Throat

b)

Pharynx

c)

Larynx

d)

Trachea

22.

What is the name of the section labeled A?

a)

Pharynx

b)

Larynx

c)

Bronchiole

d)

Trachea

23.

The section labeled B is known as the ______.

a)

Alveoli

b)

Diaphragm

c)

Trachea

d)

Bronchi

24.

Hair in your nose help to trap dust, bacteria and other materials from going into your lungs when you breathe in.

a)

True

b)

False

25.

The left lung contains only TWO (2) lobes to make space for the heart.

a)

True

b)

False