My quiz

What is responsible

• What is respiration

• Energy

• Ezymes

• Facts

• Fxe

Microscopic sacs where gas exchange takes place; are called:

• alveoli

• bronchi

• villi

What do humans need to breathe in from the air?

• oxygen

• nitrogen

• carbon dioxide

• ammonia

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

• bronchi
• lungs
• oxygen
• alveoli

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

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

This area warms, moisturizes, and filters air before going to the lungs. What is it?

• nasal cavity

• nose

• mouth

• trachea

THE VERTICAL PARTITION THAT DIVIDES YOUR NASAL CAVITY INTO RIGHT AND LEFT SIDES

What happen if food goes into the respiratory tract?

Commonly called the voicebox.

• trachea

• pharynx

• larynx

• nasal cavity

The ____________ covers the opening of the larynx during swallowing.

• hyoid bone

• larynx

• thyroid cartilage

• epiglottis