The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
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Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
Hello,
I think the answer is Insomnia
Hope this helpss have a wonderful dayy!!
~Girlygir101~
Cheer shouldn't be band because it's something people take a lot of pride in and work for. Cheerleading is a sport because it challenges someone physically and mentally. Not every can do a cartwheel, back-handspring, tuck layout.
A deep roasting pan so the cake or “roast” has room
A) or B) i hope i helped lol