Think of the eye as a camera. A camera needs a clean lens and a film to produce an image. In the same way, the eyeball needs a lens (cornea, crystalline lens, vitreous) to refract, or focus the light and a film (retina) on which to focus the rays. If any one or more of [...]
The body uses the bloodstream to distribute nutrients to cells and organs, and there should always be a certain amount of glucose circulating in the bloodstream. Glucose (a sugar) is the main fuel of the body, and using the bloodstream it delivers the energy a body needs to function. Insulin is a hormone which helps [...]
The pancreas is a large organ that is part of the digestive and endocrine systems. It is located deep within the upper abdomen, surrounded by the stomach, small intestine, liver and spleen. The pancreas is a vital organ that performs two important functions within the body. It produces digestive juices and enzymes to help digest [...]
