The Respiratory System

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

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

Tags

NGSS.MS-LS1-3

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 only externally visible part of the respiratory system

• Eyes

• Nose

• Pharynx

• Larynx

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

• bronchi
• alveoli
• capillaries
• bronchioles

What is another name for the windpipe?

• Lungs
• Trachea
• Larynx
• Esophagus

The _________ respiratory system includes the nose, throat (pharynx), and larynx.

• upper

• lower

• inner

• outer

The_________ respiratory system is from the trachea into the lungs including the bronchial tubes, bronchioles, and alveoli.

• upper

• lower

• inner

• outer

What are the smaller branches of the bronchi called?

• bronchioles

• alveoli

• larynx

• lungs

Contains little hairs that help filter the air you breathe in, blocking dirt and dust from getting into your lungs.

• mouth

• nasal cavity

• trachea

• bronchi