Explanation:
when those components become excessive, they become harmful
Immune System. Its like the Army for your body!
A
A haploid cell formed in the male seminiferous tubules
The reproductive tissues of male and female humans develop similarly in utero until a low level of the hormone testosterone is released from male gonads. Testosterone causes the undeveloped tissues to differentiate into male sexual organs. Primitive gonads become testes; other tissues produce a penis and scrotum in males.
Ear muscles and tailbones are examples of vestigial structures found among the <span>Caminalcules. </span>
