The muscle cells that make up muscle tissue are organized

a. myofibrils
b. actin filaments
c. bundles
d. sarcomeres

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