Respiratory System

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 tube that is also known as wind pipe?

• bronchi

• esophagus

• trachea

• alveoli

Tiny tubes that branch off of bronchi is ...

• pleura

• bronchioles

• alveoli

• larynx

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

Which part of the body controls breathing?

• lungs

• heart

• brain

• soul

What is the name of 8?

• trachea

• bronchi

• larynx

• bronchioles

When you breathe, your lungs take in ___ and remove ___.

• oxygen/carbon dioxide

• oxygen/water

• air/oxygen

• air/waste

The beginning point of the respiratory system where air is taken into the body.

• lung

• nose

• diaphragm

• trachea