By the time of birth,the human body contains approximately
A) a thousand cells.
B) a million cells.
C) a billion cells.
D) a trillion cells.
E) a quadrillion cells.

Question

Quizplus · Accepted Answer

By the time of birth, the human body contains approximately a trillion cells. This is because cells undergo multiple rounds of division and differentiation during fetal development. The human body continues to add cells throughout childhood and adolescence, reaching a peak number of cells in early adulthood.

By the Time of Birth,the Human Body Contains Approximately