HELP HELP!!! Which of these structures would not be directly involved with the counter current exchange in the kidney?

D. Vassa recta

B. Ascending limb

C. Descending limb

A. Loop of Henle

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.