Cell is our microscopic structure. We have Trillions of cells in our body, which plays very important roll. Our every tissue, organ, organ system, our whole body has composed of cells. In order to make a nice and informed decision for our health, we must need to understand our body at cellular level
Answer: Sample Response: The windsurfer, his board, and the air and water around him are all made of matter. That matter is made up of very small particles called atoms.