3 Americans
Hope this helped
( You ) Yes coach I have , I have improved but (the hardest test to you here)
I might need to work on to be the best, fit, and strongest person there can ever be !
I know its kidneys but idk the second blank nothing makes sense
Small bean shaped organs called kidneys help clean the blood
The answer to your question is,
Differentiate between similar tissues.
-Mabel <3