Question

question 2
the function of the immune system is to ______________.

• digest food
• respond to stimuli
• excrete waste
• protect the body against invaders

Explanation:

• Digest food is the role of the digestive system.
• Responding to stimuli is the function of the nervous system.
• Excreting waste is the job of the excretory system.
• The immune system's core role is defending the body against pathogens (invaders like bacteria, viruses, and foreign substances).

Answer:

protect the body against invaders