Circulatory & Repiratory

The heart has ___ chambers.

• 1
• 2
• 3
• 4

This chamber of the heart RECEIVES blood returning from the body

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

The _________ PUMPS blood to the lungs.

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

The _______ RECEIVES blood returning from the lungs.

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

Which is NOT a function of the circulatory system?

• deliver O₂ and nutrients to cells
• remove CO₂ and wastes from cells
• break down carbohydrates into glucose
• transport other materials through body

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

• diapragm
• lungs
• trachea
• bronchi

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

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

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

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