Skin, the largest organ of the body, is a complex system designed to protect, regulate and sense the world. Skin acts as a barrier against germs, pollution and harmful substances to keep the body safe ...

Let kid-created germs be a lesson to the whole family. Once the watercolor works of art are dry, post them around the house to help remind everyone to wash their hands! By Kiley Cruse World-Herald ...

The immune system is a complex network of cells, tissues and organs that work together to protect the body from harmful microorganisms, such as bacteria, viruses, parasites and fungi, that can lead to ...