Every living thing is made of cells. It is estimated that the human body has between 60 and 90 trillion cells! Each of these tiny little parts has a function in our body. Some cells are for keeping us healthy, others are for transporting oxygen and others work together to help us move.
A cell is defined as: the basic unit of structure and function in a living thing. It is the smallest unit of life.
If you would like to learn more about the details of what cells are, you can click here.
Visit StudyJams to learn all about the characteristics and differences between plant cells and animal cells.
You can also check out cellsalive.com and learn about the various parts of plant and animals cells and what each one does.
While observing dead cork samples with a crude lens, Robert Hooke identified and named “cells.” He thought that the small, simple units looked like the bare prison cells of his time, and the name cell stuck. His work launched a new frontier in scientific exploration that led to modern cell theory:
To learn more about Cell Theory and the work or Robert Hooke you can click here.