Living Earth Circulatory System

How many chambers does the heart have?

• 4

• 5

• 6

• 2

With circulation, the heart provides your body with:

• oxygen

• nutrients

• a way to get rid of wastes

• all of the above

What wall separates the left side and right side of the heart?

• ventricle

• septum

• atrium

• blood

These are tubes that carry blood back to the heart:

• arteries

• veins

• capillaries

• heart

Veins and arteries are important to the circulatory system. What is the difference between the two?

• Arteries carry blood away from the heart, Veins carry the blood back to the heart.

• Arteries carry blood to the heart, Veins carry the blood away from the heart

• The veins carry bright red blood, arteries carry dark red blood

• all of the above

Also called as bicuspid valve

• Tricuspid valve

• Mitral valve

• Aortic valve

• Pulmonary valve

What part of the human heart is item B?

• superior vena cava

• inferior vena cava

• pulmonary artery

• mitral valve

What part of the human heart is item G?

• right atrium

• left atrium

• right ventricle

• left ventricle

How big is the heart?

• Size of a golfball

• Size of your fist

• Size of your eyeball

• Size of your head

name of the valve that separates right atrium from right ventricle.

• tricuspid
• aortic
• mitral