A long time ago in a monastery far, far away....
Robert Hooke was one of the first to observe that all living organisms are made of structures which he called "cells." He named them after the living quarters for monks in a monastery (cells!). The word "cell," as defined by dictionary.com, is "any of various small compartments or bounded areas forming part of a whole." This definition works well for our understanding of what a cell is in life science. They are the simplest structures that make up life.
Watch the video about cells and answer the questions:
1. How many cells are in a human body?
2. Which parts of the body are made of cells?
3. What does the nucleus do inside the cell?
4. What does the membrane do?
5. Do cells communicate?
6. What other interesting thing did you learn from this video?