BV PLENARY

Tiny and one cell thick blood vessels that diffuse oxygen, carbon dioxide, and nutrients.

• heart

• arteries

• veins

• capillaries

Which describes all the parts of the circulatory system?

• heart, lungs, stomach and muscles

• heart, blood, arteries and veins

• bones, skin and hair

• heart, lungs, blood and body

Which one of the following describes a vein?

• It has thick walls with valves and caries blood away from the heart.

• It has thick walls with valves and carries blood to the heart.

• It has thin walls with valves and carries blood away from the heart.

• It has thin walls with valves and carries blood to the heart.

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

The thickest blood vessel and can withstand high pressure is the ...

• vein

• artery

• capillary

• both veins and capillaries