Respiratory system grade 5

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• to remove oxygen from the body and deliver carbon dioxide

• to break down food and absorb nutrients

• get energy from food

What are the main organs of the respiratory system of human that allow us to breathe and for gas exchange to happen?

• trachea

• heart

• lungs

• diaphragm

What is function of the dome-shaped diaphragm muscle?

• exchange carbon dioxide with oxygen

• air passes through the diaphragm on the way to the lungs

• it attaches to the lungs, contracts and relaxes to help breathing

• to cover lungs from other organ

What is tube that is also known as wind pipe?

• bronchi

• esophagus

• trachea

• alveoli

Tiny tubes that branch off of bronchi is ...

• pleura

• bronchioles

• alveoli

• larynx

Given the following structures:

1. larynx

2. nasal cavity

3. pharynx

4. trachea

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

• 1,2,3,4

• 2,3,1,4

• 2,1,3,4

• 4,3,1,2

What is the function of the bronchi?

• transport air from lungs to alveoli

• transport air from nose to lungs

• transport air from trachea to lungs

• Transport air from alveoli to blood

When we breathe in (inhale), our rib cage moves outwards and upwards then our diaphragm will be move _______

• downward

• upward

What are tiny hairlike structures that line the nasal passages as well as most of the respiratory system?

• alveoli

• bronchioles

• bronchi

• cilia

what is another name of throath?

• larynx

• pharynx

• trachea