Human body-

what is the word to this meaning?

11 letters

-science-

100 points

meaning: the organ system that moves in pairs to your body move-

Here, Your Secret word would be Respiratory system of human body which helps in transporting/Exchange in gases

In short, Your Answer would be "Respiratory"

Hope this helps!

To answer is the second point that would be the muscular system and the first part is respiratory 

Question was not very clear if there are specific answer choices tell me and i'll try to you more. hope this though2 laps is 1 min. we know that for each min she does two times the amount of laps. for 12 laps we can do 12/2 which does give us 12 laps in 6 mins not 16 mins.