Human from "humanus" — Latin adjective for "belonging to man", with its prefix "hu" derived from "humus", "ghe", "ge", even ultimately "he" inferring Adam — "belonging to (mother) earth"

The feminine form "she" on the other hand is derived from the Dutch word "zij" and the German word "sie", related to the English words "zeal" and "soul" and "sea" (of passions).

1. Semen and sperm, atoms and molecules, DNA, the "building blocks" of life
2. Hormones — Amino Acids and Steroids. Also Enzymes, and more thoughts on DNA in Humans
3. Bacteria Colonies in the Gut — their development in babies via the birth canal, breastfeeding, other environmental factors