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WorksheetsEXAM 4th grade. Respiratory System
Total questions: 53
Worksheet time: 4hrs 25mins
In respiration air enters our body through the...(choose 2)
Nose
Lungs
Skin
Mouth
What's the name of the tiny air sacs found at the end of each bronchiole?
Alveoli
Windpipe
Bronchus
Ribs
Which are the bones that protect the organs in the chest?
Ribs
Wings
Intercostal muscles
Bronchioles
It is also called the windpipe...
The bronchus
The alveoli
The trachea
The mouth
It contracts and relaxes to change the volume of the chest, causing the movement of air into and out of the lungs.
Diaphragm
Trachea
Lungs
Intercostal muscles
When we breathe in we inhale:
Carbon dioxide
Oxygen
Water
H2O
When we breathe in we exhale:
Carbon dioxide
Oxygen
Water
H2O
Which are the smaller tubes found at the end of the bronchi?
Bronchioles
Bronchus
Alveoli
Alveolus
NUMBER 1:
lungs
pharynx
mouth
alveoli
NUMBER 2:
Pharynx
Bronchi
Alveoli
Lungs
NUMBER 6:
Lungs
Trachea
Mouth
Alveoli
NUMBER 3:
Pharynx
Trachea
Bronchi
Alveoli
The nose has two holes called ____ where the air enters our body
Trachea
Nostrils
Bronchi
The respiratory system is made up of ___
The heart, blood, trachea and bronchi
The brain, muscles and lungs
The nostrils, trachea, bronchi and lungs
The respiratory system takes in oxygen and gives out _____
Carbon dioxide
More oxygen
Air and nutrients
The trachea is a tube that divides into two smaller tubes called _____
Bronchi
Nostrils
Lungs
The air gets into the lungs through the bronchioles. Bronchioles end in little bags called...
Alveoli
Bronchioles
Bronchi
Lungs
The trachea is divided into the...
What is the function of the bronchi?
Transport air from nose to lungs
Transport air from trachea to bronchioles
Transport air from nose to alveoli
Organ that contains alveoli, bronchioles, and bronchi.
Diffuse
Kidney
Drake
Lungs
What helps respiration? (There are 2 correct)
Stay in your house
Drink water regularly
Smoke
Do exercise regularly
How many lungs do you have in your body?
1
2
3
4
Write TRUE or FALSE. People who have asthma have problems with their legs.
True
False
Which picture represent the Respiratory System?
What does the respiratory system do?
It takes oxygen we need and it expels carbon dioxide
It moves blood and oxygen.
It eliminates waste substances
It changes food into nutrients
What is the name of the tiny hair in your nose? Write the word.
(a)
This system is made up of a group of organs that help us breathe
Circulatory system
the lungs, bronchi and trachea
The lungs
Respiratory system
They are tubes in the respiratory system
The heart and the diaphragm
Veins and arteries
The bronchi and the trachea
blood
Write TRUE or FALSE. We breathe in carbon dioxide and breathe out oxygen
True
False
Which are the main organs in the respiratory system?
Heart
Stomach
Lungs
Nose
The respiratory organ in the picture is called ....
lung
trachea
bronchioles
bronchi
Why is the left lung slightly smaller than the right lung ?
to give space for the heart
to breathe easily
to give space for the stomach
to swallow easily
The other name for trachea is ....
food pipe
wind pipe
lung
heart
The organs in letter d and e are ....
larynx and bronchi
pharynx and bronchioles
trachea and bronchioles
trachea and bronchi
The diaphragm is in letter ....
a
b
c
d
e
Write TRUE or FALSE. The main purpose of the respiratory system is to help us breathe.
True
False
The respiratory system brings in _______from the air.
carbon dioxide
water
oxygen
The_______protects your lungs.
skull
rib cage
heart
Inhale means to__________
breathe in
breathe out
Exhale means to _________
breathe in
breathe out
This tube lets air pass to and from the lungs.
trachea
stomach
esophagus
Write the name: The windpipe divides into two tubes called (a)
Write the name: The lungs are made up of lots of little bags called (a)
Write the name: The nose has two (a)
(Write the name): (a) divides into two tubes.
(Write the name) : (a) are like sponges.
Write TRUE or FALSE. Carbon dioxide is a big organ in the respiratory system
(a)
Write TRUE or FALSE. The windpipe divides into two tubes called alveoli.
(a)
Write TRUE or FALSE. The bronchi go from the windpipe to the lungs.
(a)
