Circulatory System Quiz

The heart has ___ chambers.

• 1
• 2
• 3
• 4

A flap of tissue that prevents blood from flowing backward

• Aorta
• Atrium
• Septum
• Valve

Carry blood away from heart; mostly oxygen-rich

• Arteries
• Veins
• Capillaries

What is pulmonary circulation?

• Blood travelling to and from the lungs
• Blood travelling to and from the body
• A blood clot in the lungs
• The vessel that brings blood to the lungs

Which is NOT a function of the circulatory system?

• deliver O₂ and nutrients to cells
• remove CO₂ and wastes from cells
• break down carbohydrates into glucose
• transport other materials through body

What is the largest artery in the body?

• aorta

• vena cava

• arteriole

• pulmonary artery

What is the name of the membrane that surrounds the outside of the heart?

• endocardium

• pericardium

• myocardium

• epicardium

What is the name of the smooth lining inside of the heart?

• pericardium

• endocardium

• myocardium

• epicardium

The heart is about the size of your...

• brain

• fist

• eye ball

• belly button

Which is larger?

• artery

• vein

• capillary