Respiratory organs 6c

When we breathe, we take in ....

• nitrogen

• carbon dioxide

• oxygen

• hydrogen

The organs in letter a and b are ....

• pharynx, trachea

• pharynx, larynx

• trachea, bronchi

• larynx, trachea

A place to exchange oxygen and carbon dioxide is ....

• bronchus

• alveoli

• lung

• bronchi

The other name for trachea is ....

• food pipe

• wind pipe

• lung

• heart

The diaphragm is in letter ....

• a

• b

• c

• d

• e

Tags

NGSS.MS-LS1-3

The lung is in letter ....

• a

• b

• c

• d

• e

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

Tags

NGSS.MS-LS4-2

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• oxygen
• alveoli

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

Given the following structures:

1. larynx

2. nasal cavity

3. bronchi

4. trachea

Which of the following is the correct order that air would flow during inhalation.

• 1,2,3,4

• 2,3,1,4

• 2,1,4,3

• 4,2,3,1