MICROANATOMY

Detailed explanation-1: -The amount of hemoglobin in whole blood is expressed in grams per deciliter (g/dl). The normal Hb level for males is 14 to 18 g/dl; that for females is 12 to 16 g/dl. When the hemoglobin level is low, the patient has anemia.

Detailed explanation-2: -100 ml of blood contains 15 g of haemoglobin and each gram of haemoglobin combines with 1.34 ml of oxygen.

Detailed explanation-3: -Each of the 5 × 1010 erythrocytes normally present in 1 mL of blood contains around 280 million hemoglobin molecules.

Detailed explanation-4: -The concentration of hemoglobin is expressed in grams of Hb / 100 ml. The normal values are 11.5-17.5 g / 100 ml.