What is the main organ used for breathing in the human body?

Understanding Our Breathing System

Quiz
•
Science
•
1st Grade
•
Hard

Yazid Ajape
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heart
Lungs
Stomach
Brain
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the respiratory system is responsible for filtering the air we breathe?
Lungs
Nose
Mouth
Stomach
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the tube called that carries air from the throat to the lungs?
Esophagus
Trachea
Intestine
Vein
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to your chest when you breathe in?
It gets smaller
It stays the same
It gets bigger
It disappears
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process of taking air into the lungs called?
Exhalation
Inhalation
Circulation
Digestion
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we need oxygen?
To make our hair grow
To help our bodies produce energy
To change our eye color
To make us taller
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the small air sacs in the lungs where oxygen is exchanged?
Alveoli
Bronchi
Capillaries
Arteries
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