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Respiratory and Circulatory System

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

These are passages that branch off from the bronchi, which are like small twigs that hold the air sacs or alveoli. What part of the respiratory system is being described?

a)

Larynx

b)

pharynx

c)

bronchioles

d)

trachea

2.

Rona is studying the human body in his science class. He learns that there is a major organ in the respiratory system where the exchange of gases takes place. What part of the respiratory system is being described?

a)

heart

b)

skin

c)

kidney

d)

lung

3.

Kath is learning about the respiratory system in her biology class. She discovers that it warms and moistens air and produces sticky mucus to trap dust, pollen, and other particles that were not trapped by nasal hairs.

a)

mouth

b)

epiglottis

c)

nasal cavity

d)

bronchioles

4.

What part of the respiratory system are the thin-walled, grapelike clusters at the end of each bronchiole where carbon dioxide and oxygen exchange takes place.

a)

trachea

b)

alveoli

c)

larynx

d)

bronchi

5.

what do you call the organ that is dome-shaped, located below the lungs, and is the primary muscle used in respiration it also contracts and relaxes when we breathe. What organ of the respiratory system is this?

a)

diaphragm

b)

bronchi

c)

lungs

d)

heart

6.

The air sacks or the alveoli are covered with blood vessels, how do you call the narrow blood vessels that covers the alveoli?

a)

capillary

b)

cilia

c)

epiglottis

d)

lung

7.

It a tube-like structure that leads the air to the lungs. Which of the following is another term for this tube shown in the picture?

a)

pharynx

b)

larynx

c)

windpipe

d)

throat

8.

When Abigail breathes, her lungs take in ___ and remove ___. 

a)

air/oxygen

b)

carbon dioxide/waste

c)

waste/air 

d)

oxygen/carbon dioxide 

9.

What is the main function of the respiratory system?

a)


to provide oxygen and remove carbon dioxide from the body

b)

to remove oxygen from the body and deliver carbon dioxide

c)

to break down food and absorb nutrients

d)

to distribute the oxygen to the different parts of the body and remove carbon dioxide

10.

How is carbon dioxide released from the body? 

a)

When Olivia exhales

b)

When Aiden sweats

c)

When Mae urinates

d)

When we inhale

11.

Shane is learning about the pathway that air follows throughout the body. What is the correct order of the respiratory system as the air enters the body going to the lungs?

a)

Nose -> Trachea -> Bronchi -> Pharynx -> Lungs -> Alveoli

b)

Nose ->Pharynx -> Trachea -> Bronchi -> Lungs -> Alveoli

c)

Nose -> Bronchi -> Pharynx -> Trachea -> Lungs -> Alveoli

d)

Nose -> Trachea -> Alveoli -> Bronchi -> Lungs

12.

Which of the following is NOT a part of the circulatory system?

a)

lung

b)

Heart

c)

blood

d)

artery

13.

Which of the following is NOT a type of blood vessel?

a)

arteries

b)

veins

c)

larynx

d)

capillaries

14.

Which system is responsible for transporting oxygen around the body?

a)

digestive

b)

respiratory

c)

circulatory

d)

excretory

15.

Which organ system is responsible for bringing oxygen into the body and releasing carbon dioxide outside the body?

a)

respiratory

b)

digestive

c)

circulatory

d)

excretory