The system of cells, organs, and chemicals that defends the body against infection and disease is called the ________.
A) immune system
B) endocrine system
C) sympathetic nervous system
D) respiratory system

Question

Quizplus · Accepted Answer

The immune system is specifically responsible for protecting the body from infections and diseases. The endocrine system deals with hormones and metabolism, the sympathetic nervous system is responsible for fight or flight response and the respiratory system is responsible for gas exchange in the body.

The System of Cells, Organs, and Chemicals That Defends the Body