Circulatory system post test

What is the main organ of the circulatory system?

• small intestine
• bone
• lungs
• heart

What are the main parts of the cardiovascular system?

• heart and lungs 
• blood, blood vessels, and heart
• blood, heart, and brain
• veins, arteries, lungs, and heart

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.

What is the function of the heart?

• To pump blood around the body
• To remove oxygen from the blood
• To allow blood to flow through it 
• To breath

True or False: There are four chambers in the heart.

• True
• False

What does blood transport?

• Oxygen 
• All of the answers provided are transported in blood
• wastes
• nutrients

What are the components of blood? 

• Plasma, Red blood, cells, white blood cells, and platelets. 
• Oxygen and nutrients. 
• Minerals
• Water

The circulatory system is made up of..

• heart, blood, capillaries
• heart, blood, plasma
• heart, blood, blood vessels 
• Heart, blood, lungs

White blood cells

• help fight disease
• take up oxygen and deliver to cells 
• help form blood clots 
• helps carries nutrients

Platelets

• help fight disease
• take up oxygen and deliver to cells 
• help form blood clots 
• help carries nutrients