Health is a state of complete physical, mental and social well-being, not simply the absence of illness or debility. Health involves many systems of the body. Like Circulatory system ,Cardiovascular system,Digestive system, Endocrine system,Exocrine system,Immune system, Muscular system, Nervous system, Renal system, Reproductive system, Respiratory system, Skeletal System etc. All these systems have to workContinue reading “What is health ?”
Human disease
human disease 