Chappell M.Payne S.STEPHEN JOHN PAYNE2022-05-242022-05-242020https://www.scopus.com/inward/record.uri?eid=2-s2.0-85085173565&doi=10.1007%2f978-3-030-39705-0_4&partnerID=40&md5=0088fb591c2553456f69adbc5e999f4bhttps://scholars.lib.ntu.edu.tw/handle/123456789/611732In this chapter we will examine how substances can get in and out of the cell and the related topic of how cells can communicate with each other. We will identify and analyse some of the main mechanisms for transport across the cell membrane. Then we will consider how an action potential can be passed from one cell to another and how the action potential can propagate through both passive and active processes. ? 2020, Springer Nature Switzerland AG.book part10.1007/978-3-030-39705-0_42-s2.0-85085173565