Final answer:
The immune system is responsible for protecting us against pathogens, tumor cells, and other foreign invaders. option c is answer
Step-by-step explanation:
The immune system, represented by option C) Immune system, is responsible for protecting us against pathogens, tumor cells, and other foreign invaders. The immune system is composed of various biological structures and processes, such as white blood cells, organs, and layered defenses. It has the ability to detect and differentiate between harmful cells and healthy cells in order to mount a specific response against them.
The organ system responsible for protecting us against pathogens, tumor cells, and other foreign invaders is the immune system. It is a complex network that includes the lymphatic system, various cells like white blood cells, and biological processes that defend the body against infections and diseases. option c is answer