The body has to keep breathing around the clock. Active people often require more food than inactive ones. There are many different types of tissues in the human body. Human beings shed millions of
I gave my students this multiple choice question: Which is the best evidence that cell division is occurring constantly in our bodies?

Only one answer is correct among these 4 choices:
- The body has to keep breathing around the clock.
- Active people often require more food than inactive ones.
- There are many different types of tissues in the human body.
- Human beings shed millions of

Could you tell me which one is correct?

Human beings shed millions of