The Amazing Human Body

Grow

Learn how humans begin life as a single cell and, over the course of a lifetime, grow into beings of more than 37 trillion cells. Plus, explore new discoveries that can help humans live longer, healthier lives.

Grow

55m 11s

Learn how humans begin life as a single cell and, over the course of a lifetime, grow into beings of more than 37 trillion cells. Plus, explore new discoveries that can help humans live longer, healthier lives.

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