BISC 3166 Chapter Notes - Chapter 1: Hepatocyte, Extracellular Fluid, Mass Flow
Document Summary
Theme 2- living organisms need energy: growth, reproduction, movement, homeostasis is required for continuous input of energy. Theme 3- information flow coordinates body functions: organismal level- translation of dna code into proteins responsible for cell structure and function, cell-to-cell communication- uses chemical and electrical signals. When chemical signals reach their target cells, they must get their information into the cell. Exam 1: some molecules are able to pass through the barrier of the membrane; however, signal molecules that cannot enter the cell must pass their message across the cell membrane. If the infusion is given at a rate of 2 mm per min, the mass flow: (cid:2869)(cid:2868)(cid:2868)(cid:2868) (cid:3040) (cid:3046)(cid:3042)(cid:3039)(cid:3048)(cid:3047)(cid:3042)(cid:3041) (cid:884) (cid:1865) (cid:1871)(cid:1867)(cid:1864)(cid:1873)(cid:1872)(cid:1867)(cid:1866)/min=(cid:882). (cid:883) (cid:1864)(cid:1873)(cid:1867)(cid:1871)/(cid:1865)(cid:1866) These are usually part of the nervous or endocrine system (in mammals: 3) output signal - creates a response. Exam 1: stimulus- change which occurs when the regulated variables moves out of its desirable range, sensor- monitors the variable.
