A lymphatic organ that helps develop the immune system is the thymus gland. The main function of this soft, roughly triangular organ is training and development of T-lymphocytes or T cells, an extremely important type of white blood cell which defend the body from potentially deadly pathogens such as bacteria, viruses, and fungi. Correct answer: B
An egg white contains fewer calories than a whole egg. It is also lower in protein, cholesterol, fat, vitamins, and minerals.
But if you really want it then go ahead.
Answer: Certain pathogens enter and multiply within the human body.
Explanation:
Infection or invasion of a pathogen inside the body of the human host does not necessary causes the disease. Instead the multiplication and colonization of these pathogens inside the body of the human host is responsible for disease. This is because of the fact that the pathogen's cells multiply and invade the healthy cells of the human host. This process weaken up the host immune system. This process leads to the occurrence of signs and symptoms of the disease.
