Human Health

Question 1:Name two strategies of human body defence system. Answer:Specific defence mechanism and nonspecific defence mechanism. Question 2:What is meant by antigen, antibody and immunity? Answer:An antigen is a foreign substance or a substance outside the body that stimulates the body’s immune system.An antibody is a protein produced by white blood cells into the bloodstream … Read more

Question 1:What is meant by pathogen and vector? Answer:A pathogen is an organism that causes diseases. A vector is an organism that transmits pathogens from one host to another new host. Question 2:Give one example of disease caused by(a) bacteria (b) virus (c) fungi Answer:(a) Cholera(b) H1N1// Dengue(c) Tinea// ringworm Question 3:Give two examples of … Read more