What part of the body reproduces, grows, repairs itself, uses oxygen and nutrients, digests food, eliminates waste, produces heat and energy, and is able to move around

A Human Cell

Explanation:

A Human Cell can do many things. All your organs, hair, skin, and muscle tissue are all made up of cells. Each human cell from a different part of your body can do and create different things. For example, the cells duplicate (which is reproduction), when it duplicates, it grows. It also uses the oxygen and nutrients for cellular respiration, when it takes in the oxygen and nutrients, it turns it into ATP, which is used to help your cells function. There are many other ways the human cell may relate to the question above. But here are some of the ways a human cell can be all those things.

organisms that are both used in toothpaste as well as cause malaria are protista and monera.

b is the correct answer