Which body part transports oxygen, removes waste materials, and carries nutrients to the body as part of the circulatory system?

What best describes maintaining homeostasis

Compare and contrast direct and indirect pressure and list 3 examples for each

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