The human body is made up of cells, which make up tissues, which in turn make up organs that form the basis of systems, all working together to keep us alive. Learn how body systems and their vital ...

What are the parts of a human body? Learn about the main parts of the ... Bitesize 1st Level Science guide on the digestive system for Scotland's Curriculum for Excellence (CfE).

The human skeleton provides several functions including support, protection, movement and making blood cells. Antagonistic muscles work against each other in pairs. The human reproductive system ...