Respiratory & Excretory Systems

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

What are the main organs of gas exchange in the respiratory system?

• diaphragm
• lungs
• trachea
• bronchi

A disorder of the lungs called ____ causes the bronchi to become restricted (get smaller) so air can't get to the lungs.

• asthma 
• cold
• influenza 
• bronchitis 

The 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.HS-LS2-5

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 

• trachea 
• bronchi 
• alveoli
• diaphragm

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

Name the organ label # 6. 

• alveoli 
• bronchi 
• trachea 
• lungs 

Name the structure labeled 8 

• lungs 
• trachea 
• diaphragm 
• alveoli 

The passageway that is shared by both the digestive and respiratory system is the....

• larynx
• pharynx
• trachea
• nose

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

• Stomach
• Trachea
• Pancreas
• Epiglottis