Respiratory, Circulatory, Muscular & Skeletal System

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

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

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 is the site of gas exchange?

• alveoli

• nose

• lung

• bronchi

The division of the trachea forms

• nose

• main bronchi

• lungs

• alveoli

Which is the primary organ of the Respiratory System?

• Bronchioles

• Lungs

• Bronchi

• Trachea

What gas does the Respiratory System absorb?

• Carbon Dioxide

• Oxygen

What gas does the Respiratory System release?

• Oxygen

• Carbon Dioxide

Where are the alveoli located?

• Between the larynx and pharynx

• Between the bronchi and bronchioles

• At the end of the bronchioles

The Respiratory and Circulatory systems work together to give the body the ​ (a)   it needs.​

• oxygen
• blood
• carbon dioxide

What important activity takes place in the lungs?

• Food is digested
• Waste filtered from blood
• Oxygen (O2) is exchanged for Carbon Dioxide (CO2)
• Trachea is exchanged for the larynx