• Hormones: They are chemical substances produced by glands called endocrines to stimulate specific cells or tissues into action.
• Enzymes: Specific substances produced by a living organism which brings about a specific biochemical reaction.
• Neuropathy: A disease of one or more peripheral nerves, causing numbness or weakness.
• Infertility: A condition in which a man or woman is unable to conceive offspring due to various reasons.
• Hodgkin's lymphoma: It is type of cancer originated from white blood cells called lymphocytes producing abnormalities in the lymphatic system.
• Cartilage: It is a firm, flexible connective tissue found in various forms in different systems of the body. Their main function is support to organs.