7th Grade Respiratory System

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

Inhale!!!! Your lungs are ___________ air and the diaphragm is ___________.

• taking in ; contracting

• letting out ; contracting

• taking in ; relaxing

• letting out ; relaxing

EXHALE!!! My lungs are __________________ air and the diaphragm is ____________.

• taking in ; contracting

• letting out ; contracting

• taking in ; relaxing

• letting out ; relaxing

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

• diapragm
• lungs
• trachea
• bronchi

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

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

Tags

NGSS.MS-LS2-3

Which of the following are 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

What is tube that is also known as your wind pipe?

• esophogus
• bronchi
• trachea
• alveoli

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

• Stomach
• Trachea
• Pancreas
• Epiglottis

What is the waste product of respiration?

• Oxygen

• Carbon fibers

• carbon dioxide

• Carbohydrates

Tags

NGSS.MS-LS2-3