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Respiratory System Explorer
Author :
Reading Readiness Center
1.
What fills up with life-giving oxygen when you breathe in?
A
Blood
B
Lungs
C
Stomach
2.
What muscle moves down when you breathe in, making room for the expanding lungs?
A
Diaphragm
B
Biceps
C
Quadriceps
3.
What is the tube that carries air from your nose and mouth to your lungs?
A
Bronchi
B
Esophagus
C
Trachea
4.
What is the special box at the top of the trachea that holds vocal cords?
A
Heart
B
Liver
C
Larynx
5.
What are the tiny branches inside the lungs called?
A
Bronchi
B
Arteries
C
Veins
6.
What are the tiny air sacs at the end of the bronchi called?
A
Nephrons
B
Arteries
C
Alveoli
7.
How do you keep your respiratory system happy and strong?
A
Watching TV all day
B
Breathing in fresh air, exercise, and a balanced diet
C
Eating only candy