Question

during a biology class, aiden and grace were discussing how our body fights against illness. they concluded that the ______ is the bodys defense against illness. pancreas liver immune system heart

Explanation:

The pancreas is involved in digestion and blood - sugar regulation. The liver has functions like detoxification and metabolism. The heart is for pumping blood. The immune system's main role is to defend the body against pathogens and illness.

Answer:

immune system