1. The Human body: an orientation
Chapter 1
The Human body: an orientation

2. Anatomy Physiology “ana” = apart Greek “tomy” = to cut origin
The study of structure and shape of the body and its parts
Gross Anatomy – study of large, easily observable body structures
Microscopic Anatomy – study of structures too small to be seen with naked eye
“physio” =nature
“ology” – the study of
The study of how the body and its parts work or function
Neurophysiology – study of the nervous system (NS) and how it works
Cardiac Physiology – study of the fxning of the 

3. Levels of Organization page 3

4. Figure 01.03

6. Table 01.01

7. Life depends on the availability of:
Pages 11-12
Life depends on the availability of:
Water – 60% - 80% of body weight
Food/Nutrients – needed for E and cell building
Oxygen – needed for chem rxns in body
Heat – needed for all metabolic rxns
Usually generated by activity of skeletal muscles
Pressure – breathing depends on appropriate Patm
Both the quality and quantity of these factors are important.

8. Homeostasis

9. Figure 01.06

10. Figure 01.07

11. Figure 01.13

14. Figure 01.17

18. Figure 01.08a

19. Figure 01.08b

20. Figure 01.09

21. Figure 01.16

22. Chapter Opener

23. Figure 01.01

24. Figure 01.02

25. Figure 01.04

26. Figure 01.10

27. Figure 01.11

28. Figure 01.15

29. Box Figure 01.01a

30. Box Figure 01.01b