Question

Compare the structure and function of arteries and capillaries. Which of the following best describes their differences?

Answer 1

a. Arteries are thick, rigid blood vessels that carry oxygenated blood from the heart, whereas capillaries carry deoxygenated blood.
b. Capillaries have thin walls to allow gas exchange, whereas arteries have thick walls to withstand high blood pressures.
c. Unlike arteries, capillaries are narrow so that their blood pressure is high, forcing blood to diffuse into surrounding tissue.
d. Unlike capillaries, arteries carry deoxygenated blood from tissues in the lungs, brain, and the rest of the body.

I think its b

Answer 2

b

Answer 3

don't try to get ans to ur question but work them out bec it will limit ur knowledge and u won't remember it in future. so read about capillaries and arteries. U will get the ans and it will long last in ur memory.

Answer 4

yea i did, i think its b. i am just seeing if its right

Answer 5

ya it is b.

Answer 6

thank u so much!

Answer 7

can u see if this is right as well? http://openstudy.com/study#/updates/4fa1af5be4b029e9dc32b051