The system that has the main function of the body's defense lymphatic (answer C)
Step-by-step explanation
The body defense system fight against bacterial, virus, and other pathogen that are harmful to the body.
Lymphatic system plays a role of transporting lymph. lymph is a fluid that transport white blood cells to and from lymph nodes into bone .
The transported white blood cells are responsible in fighting against bacterial, virus and others harmful pathogen