Question

HURRY FOR 25 points

What is the primary function of the immune system?
A. Brings oxygen to all parts of the body
B. Gives the body support and strength
C. Protects the body against foreign invaders
D. Sends electrical signals throughout the body

Answer 1

Answer:

C.

Explanation:

Here is a defintion of the immune system:

The major function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body.

C. matches that definition nicely.

:)

Answer 2

Answer:

C. Protects the body against foreign invaders

Explanation:

The immune system is definitive in helping the organism defending against pathogens, such as bacteria, viruses, protozoa, etc. The immune system employs defense through a multitude of mechanisms, such as Killer T cells, antibodies, macrophages, etc.