Are sperm alive? © Getty Images

Are sperm alive?

The definition of life isn't straightforward, but sperm cells fit the bill.

Asked by: Anonymous

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Yes, it’s certainly as alive as any other cells in a male body. Since it can have a life of its own outside the body, each sperm is really an independent single-celled organism – like a living amoeba, but differing in locomotion and lifestyle.

From an evolutionary viewpoint, it’s the other cells in a male animal that are pretty much dead: only the sperm can reproduce.

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