How many cells do a human body have?

37.2 trillion cells

Explanation:

Scientists concluded that the average human body contains approximately 37.2 trillion cells! Of course, your body will have more or fewer cells than that total, depending upon how your size compares to the average human being, but that's a good starting point for estimating the number of cells in your own body!

c is the correct answer hope this !

c. heat from the poles back down towards the equator.