This question is kind of confusing maybe you should ask a parent for help instead
Neurons send messages from the brain to the rest of the body
I’m pretty sure the answer is c
Made up of six different links: pathogen (infectious agent), reservoir(where germs live and multiply) , portal of exit (how germs leave the body), means of transmission (how germs are spread), portal of entry (how germs enter the body), and the new host. Each has a role in the chain but can be broken, or interrupted through various means.
