Hemoglobin
Hemoglobin: Hemoglobin is a protein in red blood cells that binds oxygen in the lungs and releases it in tissues, playing a vital role in respiration and giving blood its red color.
Tag Archives: blood function
Composition of Blood
Composition of Blood: Blood is composed of plasma (water, proteins, and nutrients), red blood cells (oxygen transport), white blood cells (immunity), and platelets (clotting).