Body Fluids and Circulation Test - 2

Platelets also called thrombocytes are cell fragments produced from megakaryocytes. Platelets can release a variety of substances most of which are involved in the coagulation or clotting of blood.

Hypertension or high blood pressure is the condition where blood pressure increases substantially. The pre-hypertension blood pressure value is between 120/80 and 139/89.

A special case of Rh incompatibility (mismatching) has been observed between the Rh-ve blood of a pregnant mother with Rh+ve blood of the foetus.

Lymph is the extracellular fluid that contains WBC’s and plasma. Lymph flows in lymphatic system and finally drains into veins. Lymph is called as the middle man of our body.

WBCs are relatively lesser in number which averages 6000-8000 mm–3 of blood. A healthy adult man has, on an average, 5 millions to 5.5 millions of RBCs mm–3 of blood.. Blood normally contains 1,500,00-3,500,00 platelets mm–3.

The absence of a nucleus is an adaptation of the red blood cell for its role. It allows the red blood cell to contain more hemoglobin and, therefore, carry more oxygen molecules.Platelets are devoid of nucleus in most of the mammals.

Fibrinogen, globulins and albumins are the major proteins. The albumins help in osmotic balance.

AB blood group does not have any antibodies in plasma. That's why AB blood group is universal recipient.

Fats are absorbed through lymph in the lacteals present in the intestinal villi.