Cardiovascular System Quiz

What are the functions of the blood vessels?

How many times can your blood vessels pass around the world?

• once

• 1.5

• 2

• 2.5

What are the 3 layers of the blood vessels?

• Tunica Media

• Tunica intema

• Tunica Adeventitia

• Tunica Luman

vasoconstriction mean the blood vessels

• contract

• enlarge

• constrict

• dilate

The largest artery in the body is the

What is the role of capillaries?

• control blood pressure

• diffusion

• vasodilation

• vasoconstriction

What do veins have to help blood flow?

How long does it take to do one full circuit of blood?

• 30 seconds

• 1 min

• 1.5 mins

• 2.5 mins

How much blood passes through the heart in one day?

• 5-6L

• 7,500L

• 75,000L

• 750L

What can you tell me about the structure of a blood vessel?