HUMA 205 Study Guide - Comprehensive Final Exam Guide - Protein, Dna, Acid
Document Summary
1. explain what is meant by the internal environment of an organism: Is the outside of the cells inside the body of an organism. Contains intracellular uid which is inside the cell. Contains extracellular uid which is outside the cell including: intersal uid and plasma: describe the relaonship between the internal environment and the extracellular uid: Substances in plasma must pass through intersal uid before entering cell. Plasma and intersal uid have similar compartments though there is no protein in intersal uid: explain why it is necessary to control the internal condions in our body: Body has strict requirements for proper funconing such as core body temperature at 37 degrees celsius. This is an absolute requirement for opmal body funcon: de+ne homeostasis and homeostac mechanism: Is a property of systems in which variables are regulated so that internal condions remain stable and relavely constant.
