What has a negative impact on the body?
pathogens medicines antibiotics smallpox amoebae viruses smoking antibodies
A B C D E F G H
Pathogens are microbes that cause disease.
Pathogens have a negative impact on the body.
What has a negative impact on the body? (A) pathogens (B) medicines (C) antibiotics (D) smallpox (E) amoebae (F) viruses (G) smoking (H) antibodies