Page 1 - Chapter 1 Introduction to the Human Body
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Chapter 1: Introduction to the Human Body
LECTURE NOTES
A. Anatomy and Physiology
1. Definitions
a. Anatomy.- Anatomy is the study of the structure of the body
b. Physiology.- physiology describes the functioning of the body.
c. Pathology.- Scientific study of disease
d. Pathophysiology.- Studies the improper functioning of the
body as in disease.
B. The Body’s Levels of Organization
1. From simple (cells) to complex (human organism) (Figure 1-2)
The body is organized from simple to complex (from simplest
atoms to the human organism).
2. Major organ systems (Figure 1-3)
a. Integumentary system
b. Skeletal system
c. Muscular system
d. Nervous system
e. Endocrine system
f. Circulatory system
g. Lymphatic system
h. Respiratory system
i. Digestive system
j. Urinary system
k. Reproductive system
C. Homeostasis
1. Definition.- Refers to the body's ability to regulate
