Question

"The human body. It is an organism. It is made up of cells, tissues, organs, and organ systems," said Ms. Garcia to her students. "I can see tissues, my skin!" said Allie. "But how do I know I am made of cells too?" The students carried out an experiment to prove to Allie that they were indeed made of cells. Here is a photo of their lab activity. What did they do?

Answer 1

They most likely uses a sample and a microscope to see.