Respiratory and Circulatory Systems

The two larger types of blood vessels are:

• heart and lungs
• arteries and heart
• arteries and veins
• veins and heart

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

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

Tags

NGSS.5-LS2-1

Which system works closely with the respiratory system?

• skeletal system
• circulatory system
• excretory system
• digestive system

What are the main organs of the respiratory system?

• muscles
• lungs
• nose and mouth
• bronchi

What is the main function of the heart ? 

• The heart circulates blood and oxygen throughout the body.
  
• The heart is the control centers for all body activities.
• The heart gets rid of the wastes in your body produced by homeostasis. 
• The heart adds oxygen to the blood

Which does not make up the circulatory system?

• heart
• blood
• lungs
• blood vessels

The heart pumps blood to get ________ to our cells.

• carbon dioxide
• urea
• oxygen

What is the main organ in the circulatory system?

• vein
• lung
• heart
• aorta 

Carry blood away from heart; mostly oxygen-rich

• Arteries
• Veins
• Capillaries

What function does the heart do?

• Protects organs and produces red blood cells.
• Generates heat.
• Breaks down food into nutrients.
• The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows.