IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

THE GOOD BAD AND UGLY OF THE IMMUNE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following systems protects the body from disease?
A
Digestive System
B
Nervous System
C
Immune System
D
Skeletal System
Explanation: 

Detailed explanation-1: -The immune system is a complex network of organs, cells and proteins that defends the body against infection, whilst protecting the body’s own cells.

Detailed explanation-2: -The lymphatic system and lymph nodes (small bean-shaped organs clustered in the neck, armpits, abdomen and groin) act as filters and trap harmful germs. If immune cells in the lymph node recognize pieces of a germ, they will activate, replicate and leave the lymph node in search of those harmful germs.

Detailed explanation-3: -The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria.

There is 1 question to complete.