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

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

• diaphragm

• lungs

• trachea

• bronchi

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

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

Tags

NGSS.HS-LS1-7

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

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

In the Alveoli ______________ is passed into the bloodstream.

• Nitrogen

• Oxygen

• Carbon Dioxide

• Water

The oxygen in the alveolus is picked up by

• red blood cells

• white blood cell

• blood

• platelets

How do you breath?

• The intercostal muscle relaxes and air flows into the lungs

• The intercostal muscle pushes the chest open allowing air to flow into the lungs

• The intercostal muscle squeezes your lungs pushing any excess air out

• The diaphragm sucks in air from the outside