BSC 161 Lecture Notes - Lecture 1: Abdominal Cavity, Pericardium, Mediastinum

28 views4 pages
23 Aug 2016
School
Course
Professor

Document Summary

Physiology: the study of the function of the body"s structural machinery: what does it do, subdivisions based on organ systems such as the renal or cardiovascular systems, often focuses on cellular and molecular levels. The body"s abilities depend on chemical reactions in individual cells. Anatomy and physiology are inseparable: function always reflects structure, what a structure can do depends on its specific form. Levels of structural organization: chemical: atoms, molecules, and organelles, cellular: cells, tissue: groups of similar cells, organ: groups of two or more tissues, organ system: organs that work closely together, organism: all organ systems. Humans are multicellular: must keep individual cells alive, all cells depend on organ systems to meet survival needs. All body functions spread across multiple organ systems. Maintenance of relatively stable internal conditions despite continuous changes in the environment. Maintained by contributions from all organ systems. Example of homeostasis is that our core body temperature is regularly held at 98. 6*

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents

Related Questions