Which activity best takes place during exercise? A cell respiration increases B cell respiration decreases C oxygen production increases D carbon dioxide production decreases

Explanation:

Exercise, during exercise, the oxygen in muscle converts available glucose into energy and heat which increases cell respiration. Exercise increases cellular respiration mainly in muscle cells and further prolonged  exercise increase the number of mitochondria in muscle cells and it causes further increase the rate of cellular respiration. There is the increase of carbon dioxide production during exercise.

answer; /// i believe the correct answer is (thrombocytopenia); (a)

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: