Animal Cell

  1 – All living organisms are composed of cells. 2 – Animal cells are too small to be visible to the naked eyes. Some of these cells are so tiny that even 1 million of them together hardly cover a space as large as the pointed end of a …

Bacteria

  1 – Bacteria are single-celled organisms. 2 – They come in all sorts of shapes including rods , spirals , and spheres. 3 – They can live almost everywhere on earth from near boiling water , to the deepest ocean , inside the rock and even in ice. They …

The DNA

  1- DNA exists in the nucleus of every cell in your body , in the nucleus of every cell of every living thing. 2- There are about 100 trillions cells in the human body. 3- You have the same DNA in every cell of your body. Every time a …

Plant Cell

  1- A plant cell is the structural and functional unit for all plant organisms. 2- A plant cell is extremely small. It is only visible on a microscope. There are millions of cells in an organism. Here are some fascinating facts you should know about plant cells :- 3- …

Virus

  1- What is a virus? A virus is a microbe. A microbe is a tiny one-celled living organism , too small to be seen with just your eyes. Other types of microbes are: bacteria , protozoa , and fungi. 2- There are a million viruses per milliliter of seawater. …