1. how many cells does the human body have, and how many different types are there?

Drag the tiles to the correct boxes to complete the pairs. match the academic requirements with the careers.

Are chemicals that are essential to all cellular activity, the body convertcarbohydrates and fats into energy.

Drea has never had alcohol but she believes her friends when they tell her that almost everyone at school drinks on a every day basis. in reality, very few students at school drink alcohol