Final answer:
The immune system has several primary functions, including helping the body avoid infections, detecting infections, and eliminating infections. However, creating infections is not a primary function of a healthy immune system.
Step-by-step explanation:
The immune system has several primary functions, including helping the body avoid infections, detecting infections, and eliminating infections. However, creating infections is not a primary function of a healthy immune system. The immune system is designed to protect the body from pathogens and other causes of disease, such as tumor cells. It does this by recognizing and targeting foreign substances and infected cells.