Chapter 13-Why Do We Fall Ill?

________ cause many familiar diseases, such as malaria and kalaazar.

Protozoan microbes

________, entering through a mosquito bite, will go to the liver, and then to the red blood cells.

Malaria causing microbes

HIV

An infection like ________, that comes into the body via the sexual organs, will spread to lymph nodes all over the body.

AIDS

Other than the sexual contact, the virus causing ________ (HIV) can also spread through blood- to- blood contact with infected people or from an infected mother to her baby during pregnancy or through breast feeding.

________ can not have such an impact on human cells since they don't produce cell walls.

Penicillin

________ feed on many warm- blooded animals, including us.

Mosquitoes

A(n) ________ recruits many cells to the affected tissue to kill off the disease- causing microbes.

active immune system

________ contacts include handshakes or hugs or sports, like wrestling, or by any of the other ways in which we touch each other socially.

Casual physical

________ are conditions that can persist for a very long time, even a lifetime .. An example is the infection causing elephantiasis, which is very common in some parts of India.

Chronic diseases

a disease is due to _______ of body function

malfunctioning

an acute disease is a _____ duration disease.

short

________ diseases are found by birth

congenital

*Allergy is an example of __________ disease*

Non-communicable

____________ is a vector of a viral disease called dengue

*Aedesaegypti*

HIV stands for __________

Human immunodeficiency virus

*______* is the ability of the body to protect itself from infection and disease.

immunity

On the basis of __________, physicians look for signs of disease.

symptoms

Ringworm is caused by ______.

fungi