Respiratory System 2

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

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

Tags

NGSS.MS-LS1-3

These are the two two main branches from the trachea (one to each lung)

• bronchi

• alveoli

• capillaries

• bronchioles

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

• bronchi
• lungs
• oxygen
• alveoli

Tags

NGSS.MS-LS1-3

Flap of tissue that covers the opening to the windpipe during swallowing

• Pharynx

• Trachea

• Epiglottis

The circulatory system works with the ___________ system to provide our body with oxygen and get rid of CO2 (carbon dioxide).

• respiratory

• digestive

• muscular

• skeletal

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

• nasal cavity

• nose

• mouth

• trachea

Where are your vocal chords housed and what is this area called?

• pharynx

• larynx

• throat

• trachea

What are the smaller branches of the bronchi called?

• bronchioles

• alveoli

• ravioli

• lungs

The large muscle that contracts and relaxes and moves air in and out of the lungs.

• epiglottis

• alveoli

• diaphragm

• trachea

Tiny hairlike structures that line your nose and most other airways of the respiratory system.

• larynx

• alveoli

• cilia

• diaphragm