21. Differentiate between aerotaxis and rheotas2 marks)

​

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.

What factors contribute to the effect an environmental toxin has on the human body?