hello in this video we're going to talk about tissues a tissue is a group of similar cells and cell products that work together to perform a specific structural and physiological role in an organ ...

In addition to providing a framework for your body, bones also serve many other important biological functions, such as protecting your internal organs from harm and storing essential nutrients. Read ...

The periosteum is a membranous tissue that covers the surfaces of your bones. The only areas it doesn’t cover are those surrounded by cartilage and where tendons and ligaments attach to bone. The ...

From a Hercules beetle tough natural armor to a sea anemone’s soft fluid-filled body, nature boasts a variety of skeletons. A circa-1910 x-ray photograph of pot-bellied seahorses shows their ...