Blood functions to Deliver oxygen and nutrients to the body\'s tissues Maintain

Question

Blood functions to Deliver oxygen and nutrients to the body's tissues Maintain normal body temperature Transport hormones to their target sites All of the above Which one of the following is NOT true of normal human blood? -45% of whole blood is erythrocytes pH of blood is - 7 t ~55% of whole blood is plasma total body volume of blood is ~ 5L All formed elements of the blood arise from hematopoietic stem cells the liver PR erythroblasts lymphoid stem cells When O_2 concentration in the blood is low the kidneys secrete to stimulate production vitamin K erythropoietin (EPO) vitamin B_12 hemoglobin Which one of the following elements in hemoglobin binds oxygen? calcium magnesium copper iron Sickle-cell disease is caused by a change in 1 amino acid in the beta globin chain of hemoglobin caused by decreased hemoglobin synthesis. characterized by an increase in the number of erythrocytes in the blood. cancer of the hemopoietin tissues Which of the following blood cells is a granuloc

Explanation / Answer

blood function to all the above. it has plasma 55% and 455% blood cell component. the functions are-1. deliver oxygen and nutrients,2.maintain normal body temparature, 3.transport hormones. these functions are performed by blood as it flows to every part of body and where blood cantflow at that places there lymph performs the function.

2.the incorrect is 45% of total biood is RBC. 45% IS TOTAL BLOOD cell mean RBC+WBC+PLATELETS.

3.elements of blood arise from haematopoetic stem cells.

4.kidney secrete erythropoetin to stimulate RBC production.

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