Respiratory System

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

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air 

Tags

NGSS.MS-LS2-3

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

The breathing muscle is called:

• Epiglottis
• Bronchiole
• Diaphragm

Another name for the throat is called the:

• Nasopharynx
• Pharynx
• Larynx

We breathe in carbon dioxide and breathe out oxygen

• True

• False

What are these?

• Stomach
• Esophagus
• Lungs
• Mouth

The nose has two holes called ____ where the air enters our body

• Trachea

• Nostrils

• Bronchi

They are two bag-shaped spongy organs

• Lungs

• Vocal cords

• Bronchi

• Bronchioles

tiny, hairlike projections in the airway that move in a wavelike manner.

• alveoli

• cilia

• trachea

• lungs