explain diseases and it's causes
Answers
Answer:
Illness caused in a healthy body is called a disease. Diseases are both communicable and non communicable. Diseases are caused by pathogens or deficiency of a certain vitamin. Disease causing microorganisms are called pathogens.
Answer:
Diseases can be caused by many pathogens, including bacteria , viruses , fungi, and parasites that may cause illness and disease . For humans , transmission of pathogens may occur in a variety of ways : spread from person-to-person by direct contact , water or foodborne illness or aerosolization of infected particles in the environment and through insects.
Causes :
Viruses that invade and multiply inside healthy cells
Bacteria, or small, single-celled organisms capable of causing disease
Fungi, which include many different kinds of fungus
Parasites, which are organisms that live inside host bodies causing sickness
Explanation: