May 17, 2017 · You may know that your skin is made of cells, your bones are made of cells, and your blood is made of cells. But these cells aren't all the same types of cells. Different types of …

Jan 6, 2010 · The human eye has over 100 million rod cells. Cones require a lot more light and they are used to see color. We have three types of cones: blue, green, and red. The human …

How Many Cells Are in the Human Body? All living beings are made up of cells. Some of them are made up of only one cell and others have many cells. The average adult human body has …

Cells also divide so living things can grow. When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells. In human …

Explore inside animal, plant, bacterial, or fungal cells! Learn cell parts and quiz yourself in this cell anatomy game. Can you learn all the organelles?

Feb 16, 2011 · More than one kind of T-cell There are two types of T-cells in your body: Helper T-cells and Killer T-cells. Killer T-cells do the work of destroying the infected cells. The Helper T …

But, it's less common to see images of many different types of cells together in one image. So, it can be difficult to understand how big one cell type is compared to another. In the Compare …

Sep 27, 2009 · In our body there are many different kinds of cells. We are made up of about 200 different types of cells. Our body also has non-living materials such as hair, finger nails, and …

Feb 4, 2011 · Bone Basics and Bone AnatomyHave you ever seen fossil remains of dinosaur and ancient human bones in textbooks, television, or in person at a museum? It's easy to look at …

Feb 16, 2011 · Epithelial cells also line the inside of your throat, intestines, blood vessels, and all your organs. They are a barrier between the inside and outside of your body and are often the …