11. Red blood cells have to travel single file through
capillaries
arteries
veins
both arteries and veins

the capillaries. These tiny blood vessels finally empty into larger blood vessels, called veins, that take blood back to the heart.

Explanation:

= initial pressure

= final pressure = 2

= initial volume

= final volume = /4

= initial temperature = 20 c = 20 + 273 = 293 k

= final temperature = ?

using the equation