Respiratory System

Muscular structure that helps to expand and contract the lungs, forcing air in and out

• Pharynx
• Nasal cavity
• Alveoli
• Diaphragm

This is a tube-like passage used for food, liquid, AND air

• Larynx

• Trachea

• Pharynx

• Lungs

After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.

• mucus
• trachea
• larynx
• epiglottis

a flap of tissue that closes when we eat so food doesn't not go down the trachea

• larynx
• pharynx
• trachea
• epiglottis

What is breathed out from our mouth and nose?

• carbon dioxide
• oxygen
• nitrogen
• helium

What is the main bone structure that protects the lungs

• Vertebrae
• Rib cage
• Skull
• Pelvis

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-LS1-3

What is the function of the bronchi?

• Transport air from nose to lungs
• Transport air from trachea to lungs
• Transport air from lungs to alveoli
• Transport air from alveoli to blood

Tags

NGSS.MS-LS1-3

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

• bronchi

• alveoli

• capillaries

• bronchioles