Yes antigens are located on pathogens but sometimes both are harmful
Playing with dogs makes the body release a substance that makes you happy.
It sounds thick but I can't think of the right words right now
No I do not, I think that If you start to loose weight that you are becoming anorexic without the proper exercise and proper nutrition. Why, because without that your just feeding your body less and less stuff and its not the right stuff its like eating less or gorging yourself.
Answer:
The six links include: the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. The way to stop germs from spreading is by interrupting this chain at any link
Explanation:
