How many cells are there in the human body?
The average human body contains around 30 trillion cells. However, depending on age, height, weight, health, environment and other factors, the number may vary from 10^12 to 10^16.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

How many cells are there in the human body?

### Response:

The average human body contains around 30 trillion cells. However, depending on age, height, weight, health, environment and other factors, the number may vary from 10^12 to 10^16.
