Circulatory System

The main function of the circulatory system is 

• To give the body structure and support
• Excrete waste
• transport blood, nutrients, and gases throughout the body
• to transport messages from the body to the brain

Blood vessels are 

• veins
• capillaries
• arteries
• all of them

True or false:  The circulatory system includes all of your bones.

• True
• False

The heart is the size of

• your thumb
• your fist
• your ribcage
• your kitchen table

Which is responsible for providing oxygen to cells?

• respiratory system
• circulatory system
• muscular system
• nervous system

Which describes a task performed by the circulatory system?

• creating red blood cells
• sending messages to the brain
• transporting waste materials
• producing energy from food

Which is responsible for providing oxygen to cells?

• respiratory system
• circulatory system
• muscular system
• nervous system

Which system permits blood to circulate and transports nutrients around the body?

• Nervous
• Respiratory
• Circulatory
• Digestive

This type of vessel carries blood TO the heart:

• vein
• nerve
• muscle
• artery

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart