....thanks??? lol you're supposed to ask questions on here.
Answer:
true
Explanation:
human body is not sterile. We colonize bacteria from birth.
pathogen is a virus bacteria or microorganism that can cause disease whereas natural flora you are born with and will not cause you disease or sickness
Answer:
everyone needs to practice good hygiene because it is healthy and is good for you to prevent diseases
<span>Pavlov became interested in studying reflexes when he saw that the dogs drooled without the proper stimulus. Although no food was in sight, their saliva still dribbled. It turned out that the dogs were reacting to lab coats.</span>May 15, 2001
