Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

The human body has as many as two trillion lymphocytes, and lymphocytes make up about 25% of all of leukocytes.
The human body has as many as two trillion lymphocytes, and lymphocytes make up about 25% of all of what?

A penguin must do increase muscle mass before molting.
A penguin must do what before molting?

Micronutrients is the term for nutrients the body needs in relatively small amounts, including vitamins and minerals.
What is the term for nutrients the body needs in relatively small amounts, including vitamins and minerals?