<span>Men can produce sperm throughout their adulthood because their reproductive organs and glands are fully developed. During their childhood and adolescence the glands and organs are not functional for reproductive purposes.</span>
Answer:
Above
Explanation:
The anthers are always above the stigma.
The process which occurs in the structures that are labeled X is Kreb's cycle.
It has to do with releasing stored energy in the form of adenosine triphosphate (ATP). This is an extremely important part of metabolism and was first introduced by Hans Adolf Krebs in 1937.