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!
I believe it will be Africa.
It should be D or A. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
A OR B EITHER ONE I THINK:)
I dont like to eat or drink anything. I havent done that in a few weeks :/
