Question

1. how does the digestive system contribute to the bodys defense against illness? by producing white blood cells by regulating body temperature by maintaining a low ph in the stomach to kill many pathogens by producing antibodies

Explanation:

The digestive system contributes to the body's defense against illness by maintaining a low pH in the stomach. The acidic environment in the stomach can kill many pathogens that are ingested with food. White - blood cells are produced by the immune system, body temperature regulation is mainly related to the thermoregulatory mechanisms of the body, and antibodies are produced by the immune system as well.

Answer:

By maintaining a low pH in the stomach to kill many pathogens