What are these living units called cells? Much like mini-fiefdoms, cells have all the equipment and expertise necessary to carry out the functions of life. A cell can eat, grow, and move.

T-cell lymphoma is a rare cancer that affects the lymphatic system. Learn about the types, signs, symptoms, treatments, and ...

Within multicellular organisms, tissues are organized communities of cells that work together to carry out a specific function. The exact role of a tissue in an organism depends on what types of ...

When a person thinks, speaks, eats, walks, or just sits comfortably with all bodily systems functioning normally, the billions of cells that make up the brain and the rest of the nervous system ...

Your body is made of cells -- trillions of them. Cells are the basic building blocks of people and all other living things. Researchers study them to learn more about health and diseases.

Our body is made up of billions of different types of cells that can only be seen under a microscope. These cells are grouped according to the job they do or the type of body tissue they make up.