Introduction to the respiratory system

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 break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

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.

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

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 cells that make and secrete mucus that protects the lining of the respiratory tract are called:

• alveolar cells

• goblet cells

• pneumothorax

Tags

NGSS.MS-LS1-2

Bones that surround and protect your lungs and heart.

• ribs

• diaphragm

• pleura

• larynx

Hollow organ that allows you to talk and make sounds when air moves in and out.

• pharynx

• larynx

• trachea

• cilia