Fill in the blanks

(a) Pneumonia is an example of _______ disease.

(b) Many skin diseases are caused by_______.

(c) Antibiotics commonly block biochemical pathways important for the growth of _______.

(d) Living organisms carrying the infecting agents from one person to another are called _______.

(a) Communicable.

Pneumonia is a communicable disease, which means it can be spread from one person to another and is also an infectious disease of lungs.

(b) Fungi

Jock itch, also called tinea cruris, is a common skin infection that is caused by a type of fungus called tinea. This type of fungal disease is accelerated in sultry, warm or humid areas.

(c) Bacteria

An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced in the body. Using this binding mechanism, an antibody can tag a microbe or an infected cell for attack by other parts of the immune system, or can neutralize the foreign bacterial infection or attack.

(d) Vector

vector means that it carries a disease from one host to another.