ANATOMY & PHYSIOLOGY An Introduction. What is Anatomy?  ana = apart or away  tomos = to cut  Study of structure  Two types:  Gross  Microscopic.

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Presentation transcript:

ANATOMY & PHYSIOLOGY An Introduction

What is Anatomy?  ana = apart or away  tomos = to cut  Study of structure  Two types:  Gross  Microscopic

What is Physiology?  Study of function- attempts to answer how & why

So What Are We Doing Here?  Studying the marriage of structure & function!

Levels of Structural Organization 1. Chemical level

Levels of Structural Organization 2. Cells – basic unit of structure & function

Levels of Structural Organization 3. Tissues – similar cells with a common function

Levels of Structural Organization 4. Organs – performs a specific function & are made of two or more tissue types

Levels of Structural Organization 5. Organ systems – Different organs that work closely together

Levels of Structural Organization 6. Organismal level – Many organ systems make up an individual

Anatomical Position

Directional Terminology

Four Major Body Cavities  Dorsal cavities:  Cranial cavity – in skull, contains brain  Spinal cavity – in vertebrae, contains spinal cord  Ventral cavities:  Thoracic cavity – in ribs, contains heart & lungs  Abdominopelvic cavity – below the diaphragm, includes most digestive & reproductive organs

Regional Terms