The integumentary system is composed of the
a. stomach, liver, and spleen.
b. skin, hair, and nails.
c. bones and muscles.
d. kidneys and intestines.

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen