The "story" of the human body is a dynamic tale of —the constant, behind-the-scenes work your systems perform to maintain a stable internal balance. When this balance is maintained, the body is in health ; when it is disrupted, it enters a state of illness .
: Nutrition, regular exercise, adequate sleep, and stress management.
: The Skeletal and Muscular systems provide the structure and strength needed for movement. The Human Body in Health and Illness
Illness occurs when a system fails to perform its role or when external "invaders" (pathogens) disrupt the peace.
: The Digestive and Urinary systems process fuel and filter out waste. 3. The Conflict: Illness and Dysfunction The "story" of the human body is a
: These are your body’s essential units. Illness often starts here, where cellular damage or genetic mutations can ripple outward to affect entire organs.
: Caused by bacteria, viruses, or fungi that overwhelm the Immune system . : The Skeletal and Muscular systems provide the
: This is the study of how these diseases happen—for example, how a blocked artery leads to a heart attack. 4. The Resolution: Maintaining the Balance