Human Respiratory System

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from 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 the respiratory system that allow us to breathe and for gas exchange to happen?

• diapragm

• lungs

• trachea

What is function of the dome-shaped diaphragm muscle?

• This is where gas exchange happens.

• Air passes through the diaphragm on the way to the lungs.

• It attaches to the lungs and contracts and relaxes to help in breathing.

Tags

NGSS.MS-LS1-3

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

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

Tags

NGSS.MS-LS2-3

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

• esophogus
• bronchi
• trachea
• alveoli

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

• respiratory

• digestive

• muscular

• skeletal

What is the part labelled as A?

• alveoli

• bronchi

• trachea

• lungs

Name the structure labelled as B.

• lungs

• trachea

• diaphragm

• alveoli

Which part of the Respiratory System collects air from the environment & heats/moistens the air before entering the body?

• lungs
• nose
• heart
• brain

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

• bronchi
• lungs
• oxygen
• alveoli