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Blood is primarily composed of water (H2O), plasma proteins, red blood cells, white blood cells, and platelets. The key elements involved include:
Hydrogen (H)
Oxygen (O)
Carbon (C)
Nitrogen (N)
Iron (Fe) - found in hemoglobin, the protein in red blood cells that carries oxygen.
Calcium (Ca) - important for blood clotting.
Sodium (Na) and Potassium (K) - involved in electrolyte balance and nerve function.
Phosphorus (P) - essential for energy metabolism and bone health.