System Fundamentals
"The heart is the only organ that works 24/7 without rest. Understanding its mechanics is the foundation of acute nursing care."
The musculoskeletal system comprises 206 bones, over 600 muscles, and a complex network of cartilage, tendons, and ligaments. It provides structural support, enables movement, produces blood cells via hematopoiesis, stores minerals, and protects vital organs.
Key Concept
Perfusion: The continuous passage of blood through capillaries to tissue.
Nursing Alert
Inadequate cardiac output leads to rapid organ failure.
Module Progress
Readiness Score64%
Learning Aids
- ECG Interpretation Guide
- Cardiac Cycle Animation
- Clinical Murmur Library