Answer :
Answer:
The answer is the Immune system (a).
Explanation:
The immune system consists of agents that help your body fight against pathogens and other invading substances. It has your white blood cells, enzymes, mucus, hydrochloric acid (in your stomach), and even your saliva. All these substances help make sure your body is rid of anything that may bring harm to you!
Immune System
It’s in the name. It makes your body immune to other diseases. That’s how i think of it
It’s in the name. It makes your body immune to other diseases. That’s how i think of it