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bearhunter [10]
3 years ago
14

The purpose of the ______ system is to prevent foreign substances from entering the body and to attack foreign substances that a

re in the body.
A. immune
B. endocrine
C. nervous
D. excretory
Biology
2 answers:
earnstyle [38]3 years ago
7 0

Answer:

Immune

Explanation: The immune system is the body's defense against infectious organisms and other invaders. Through a series of steps called the immune response, the immune system attacks organisms and substances that invade body systems and cause disease. The immune system is made up of a network of cells, tissues, and organs that work together to protect the body.

kaheart [24]3 years ago
3 0
A. Immune because this is what the immune systems job is
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