Circulatory System

Which is responsible for providing oxygen to cells?

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

In which system of the human body does the heart belong?

• Nervous
• Skeletal
• Cardiovascular
• Digestive

Your heart is an example of which type of muscle?

• a big one
• voluntary
• involuntary
• bicep

arteries, veins, and capillaries are three types of __________

• heart valves
• blood vessels
• cells
• veins

blood flows back to the heart in these

• cytoplasm
• lungs
• circulatory system
• vein

What do the arteries do?

• pumps blood to the heart
• pumps blood to and from the heart
• carry's blood away from the heart 
• a muscle 

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

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

The heart is about the size and shape of your . . .

• head

• fist

• hand

• foot

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries