Living matter is made from a complex mixture of chemicals, some small like salts, sugars and fats and others large and complicated such as protein and DNA.
Living matter is made from a complex mixture of chemicals, some small like salts, sugars and fats and others large and complicated such as protein and DNA.
The body protects itself against infection by bacteria, viruses, molds and parasites by having a system for recognising these invading organisms as foreign.
The body protects itself against infection by bacteria, viruses, molds and parasites by having a system for recognising these invading organisms as foreign.
Cancer can occur when the regulation of cells in the body goes astray. Any tissue can be affected but some are more likely to become cancerous than others.
Cancer can occur when the regulation of cells in the body goes astray. Any tissue can be affected but some are more likely to become cancerous than others.
