Red blood cells (RBCs) primarily transport oxygen to tissues and carbon dioxide to the lungs for expulsion.
Produced in the bone marrow, RBCs can be reduced in number, leading to anemia that affects tissue oxygenation and elevates risks such as cardiovascular disease.
Low RBC counts may result from conditions such as anemia, bone marrow failure, chronic illnesses, or nutrient deficiencies, while high counts may be due to dehydration or pulmonary disorders.
Moreover, various diseases can alter RBC shape and function, influencing their interaction with other cells and the vascular system.
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