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Quiz on the Respiratory and Circulatory Systems

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the primary function of the respiratory system?

a)

To circulate blood

b)

To produce hormones

c)

To help you breathe

d)

To digest food

2.

Which part of the respiratory system is commonly known as the throat?

a)

Trachea

b)

Larynx

c)

Nasal Cavity

d)

Pharynx

3.

What is the function of the larynx?

a)

To exchange gases

b)

To protect the lower respiratory tract

c)

To pump blood

d)

To filter air

4.

What is the trachea also known as?

a)

Alveoli

b)

Bronchi

c)

Throat

d)

Windpipe

5.

What do bronchi connect?

a)

Nose to mouth

b)

Windpipe to lungs

c)

Lungs to blood vessels

d)

Heart to lungs

6.

What is the primary role of the alveoli?

a)

To produce sound

b)

To filter air

c)

To perform gas exchange

d)

To transport blood

7.

Where is the heart located?

a)

In the abdominal cavity

b)

In the pericardial cavity

c)

In the throat

d)

In the brain

8.

What type of muscle makes up the heart?

a)

Skeletal muscle

b)

Smooth muscle

c)

Cardiac muscle

d)

Epithelial tissue

9.

What do veins do?

a)

Connect arteries and veins

b)

Filter blood

c)

Carry blood towards the heart

d)

Carry blood away from the heart

10.

What is the function of capillaries?

a)

To transport oxygen

b)

To filter air

c)

To pump blood

d)

To connect arteries and veins

11.

What is the pulmonary circuit?

a)

Pathway for blood filtration

b)

Pathway between heart and lungs

c)

Pathway between heart and body

d)

Pathway for oxygen transport

12.

What is plasma?

a)

A type of blood cell

b)

The liquid component of blood

c)

A type of muscle tissue

d)

A part of the respiratory system

13.

What do red blood cells primarily do?

a)

Fight infections

b)

Transport oxygen

c)

Regulate body temperature

d)

Clot blood

14.

How many liters of blood does a human body contain?

a)

About 10 liters

b)

About 7 liters

c)

About 5 liters

d)

About 3 liters

15.

What is the average heart rate of a human?

a)

110 beats per minute

b)

90 beats per minute

c)

70 beats per minute

d)

50 beats per minute