The Respiratory System
The Exchange of Gases in the Body
How Our Diaphragm Works
Parts of the Respiratory System
General Questions
100

Which parts of the body does air enter?

What are the nose and the mouth?

100

Where does gas exchange take place?

What is the alveoli?

100

What is breathing out called?

What is exhalation?

100

What parts of the respiratory system are the yellow lines pointing to?

What are the mouth and nose?

100

What does the respiratory system take in?

What is oxygen?

200

What is the long tube made of muscle and cartilage that air travels into after entering the body?

What is the trachea?

200

Oxygen in the alveoli enters the blood through what?

What are the capillaries?
200

What is breathing in called?

What is inhalation?

200

What part of the respiratory system is the yellow line pointing to?

What is the trachea?

200

What does the respiratory system release?

What is carbon dioxide?

300

What are the two smaller tubes that the trachea splits into in the chest and that take air to each of the lungs?

What are bronchi?

300

Blood with what travels toward the heart and the rest of the body?

Hint: think what the respiratory system brings in

What is oxygen?

300

What contracts to make more room for the lungs to expand?

What is the diaphragm?

300

What part of the respiratory system is the yellow line pointing to?

What is the diaphragm?

300

What is the skeletal muscle that contracts to take in oxygen and relaxes to release air from the lungs?

What is the diaphragm?

400

What are the smaller branches that the bronchi split into?

What are bronchioles?

400

Cells combine the oxygen traveling the body with nutrients to produce energy.  This creates what waste gas?

What is carbon dioxide?

400

When the diaphragm relaxes, does is create more or less space in for the lungs?

Less space

400

What parts of the respiratory system are the yellow lines pointing to?

What are the bronchus and the bronchiole?

400

What are the tiny blood vessels that cover the alveoli called?

What are capillaries?

500

What are the air sacs on each bronchiole called?

What are alveoli?

500

What is the plural of bronchus?

What is bronchi?
500

What three parts expand and contract during inhalation and exhalation?

Hint: one of them are bones

What are the lungs, ribcage, and diaphragm?

500

What is 1 pointing to? What is 2 pointing to?

1) What is the alveolus?

2) What is the capillary?

500

When the diaphragm relaxes, does air leave or enter the lungs?

Leaves