Introduction to the human body

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The human body is a complex, highly organized structure made up of unique cells that work together to accomplish the specific functions necessary for sustaining life.

The biology of the human body includes

• Physiology (how the body functions)
• Anatomy (how the body is structured)

Anatomy is organized by levels, from the smallest components of cells to the largest organs and their relationships to other organs.

Gross anatomy is the study of the body