Passive Transport * 1 point
Requires energy
moves up the concentration gradient
uses ATP
moves down the concentration gradient

Moves down the concentration gradient

Explanation:

Since diffusion moves materials from an area of higher concentration to an area of lower concentration, it is described as moving solutes "down the concentration gradient" (compared with active transport, which often moves material from area of low concentration to area of higher concentration...

yes we can.   a lady urinates from her urethra.