The answer is D. Hope this helps!
Answer:
I think the answers are B. supplies blood with oxygen and
the kidneys remove salt and waste water
Answer:
dont over use the wax, your lips wont toughen up. at first it will be sensitive, and you may get some cuts in your mouth. they give you special wax to put on brackets that have cut your mouth so it doesnt get worse. try to eat softer foods, it also helps of you swish salt water around in your mouth to ease the discomfort. it only hurts for about three days, and it isnt that bad. if your given elastic bands, make sure to use them otherwise you have to keep braces on longer. also, make sure to brush really good!!!
Good luck!
Explanation:
1) C
2)C
3)B
5)C
9)B
sorry I wasn't able to answer all of your quesitons
