ANSWERS: 1
  • Blood consist of cellular material (99% red blood cells, with white blood cells and platelets making up the remainder), water, amino acids, proteins, carbohydrates, lipids, hormones, vitamins, electrolytes, dissolved gases, and cellular wastes. Each red blood cell is about 1/3 hemoglobin, by volume. Plasma is about 92% water, with plasma proteins as the most abundant solutes. The main plasma protein groups are albumins, globulins, and fibrinogens. The primary blood gases are oxygen, carbon dioxide, and nitrogen. Reference: Hole's Human Anatomy & Physiology, 9th Edition, McGraw Hill, 2002.

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