circulatory system

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Multiple Choice

What does your heart do?

• pumps blood through your body

• protects your body

• helps your exercize

Multiple Choice

Your heart is about the size of your __________.

• mouth

• fist

• show

Multiple Select

The circulatory system consists of what three parts?

• Heart

• Brain

• Blood

• Blood vessels

Multiple Choice

These are tubes that carry blood back to the heart

• Arteries

• Tubes

• veins

Multiple Choice

Blood carries ____________ to the heart.

• vitamins

• germs

• oxygen

Multiple Choice

What parts act like doors that control blood flow in the heart?

• Valves

• kidney

• chambers

Multiple Choice

Blood flows in the tubular structures called

• blood vessels

• ventricles

• atria

Multiple Choice

What does circulate mean?

• pump blood

• beat quickly

• go around and around

Multiple Choice

Your heart is a _____________.

• tube

• muscle

• vein

Multiple Choice

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

Multiple Choice

These blood cells help fight infection and other diseases.

• Red Blood Cells

• White Blood Cells

• Platelets

Multiple Choice

The two lower chambers of the heart are called _____

• Auricle

• Ventricle

• Aorta

Multiple Choice

What is the name of the heart muscle

• rib cage

• cardiac muscle

• lung musle

Multiple Choice

Largest Artery-----------

• Pulmonary

• Carotid

• Aorta

Multiple Choice

Arteries carry oxygen rich blood away from the heart.

• True

• False

Multiple Choice

Veins carry oxygen poor blood back to the heart.

• False

• True

Multiple Choice

True or False: Human blood is blue.

• True
• False

Multiple Choice

They connect arteries and veins

• The lungs

• The heart

• The capillaries

Multiple Choice

What is blood made of?

• Blood is made up of plasma, nutrients, red cells and white cells.

• Blood is made up of plasma, red cells, white cells and platelets.

• Blood is made up of plasma, nutrients, red cells, white cells, platelets and oxygen.