Circulatory System

The circulatory system can also be called the ___ system in your body.

• Respiratory

• Blood

• Transport

• Thinking

What are the 3 main parts of the circulatory system?

• Heart

• Brain

• Blood

• Blood vessels

What is the main organ in the circulatory system?

• Heart

• Lungs

• Brain

• Legs

How big is your heart?

• Same size as my foot

• Same size as my brain

• 500 grams

• Same size as my fist

What is the main function of your heart?

• Carry blood around your body

• Bring oxygen to your major organs

• Pump blood through the circulatory system

• Get rid of waste produced by the body

What is the main function of your blood vessels?

• Carry blood around your body

• Bring oxygen to your major organs

• Pump blood through the circulatory system

• Get rid of waste produced by the body

What is blood?

• The major organ in the circulatory system

• Red water

• A system that transports oxygen and nutrients around your body

• Liquid which carries different substances around your body

What does blood carry around your body?

• Food

• Oxygen

• Hair

• Waste

Blood is not warm, so it does not help to keep your body warm

• True

• False

The circulatory system is very important because all of our organs need the oxygen and nutrients carried by our blood.

• True

• False