Cofi QUESTION 1 The percentage of red blood cells in a sample of human blood is

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Cofi QUESTION 1 The percentage of red blood cells in a sample of human blood is normally about O 15%, 030%. o 45%. O 60%. o 80%, QUESTION 2 Which of the following elements is included in hemoglobin molecules? O Cobalt O Copper O Iron O lodine O Calcium QUESTION 3 A primary function of lymphocytes is to 0 phagocytize damaged cells. O produce enzymes that dissolve blood clots. O release substances that initiate blood clots. O act against foreign substances. O stimulate formation of red blood cells QUESTION 4 The movement of lymph through lymphatic vessels is caused largely by O muscular activity. O activity of the heart. O osmotic pressure. O blood pressure. O hydrostatic pressure. Cick Sove and S save and submit. Click Save All Answers

Explanation / Answer

Percentage of red blood cell in a sample of human blood is 45% and plasma is of 55%.red blood cell is the most abudant cell.responsible fir transport of oxygen.

Iron is included in haemoglobin molecule.4 molecule of iron bind to haem group . It binds in ferrous form.

Lymphocyte present in plasma.they act against foreign substance.twi types of lymphocytes 1.B lymphocytes.2.T lymphocytes.

Movement of lymph through lymhatic vesse is mainly caused by lymphatic vessel.skeletal muscle surrounding lypmh vessels contract that helps in movements of lymph.

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