Select all that apply. in which of the following ways does a drug affect the body? stimulates a chemical reaction by a cell or disease causing agent blocks a chemical reaction by a cell or disease causing agent absorbs a cell or disease causing agent discards a cell or disease causing agent

Emma recently found out she was pregnant.every thursday evening for the next six weeks, emma and her mother will attend a special program that prepares pregnant teens to become mothers.during the first class, emma learned about the stages of childbirth.what was the order she was taught? first, emma learned about  .then, she learned about the    stage.next, emma learned about  .last, she learned about the    stage