ABOUT_HUMAN_BLOOD

#ABOUT_HUMAN_BLOOD

• Universal donor group is O group
• Total volume of blood in human body is 5.5 liters (chk 6 liters)
• Life span of red blood cells is 120 days
• Life of RBC is 115 days.
• The total quantity of blood in a human body is 7-8 liter.
• 80 % water is found in pure blood
• The pH of normal human body is Arteries 7.4
• 60% of blood plasma consists of protein.
• Which one of the following substances is obtained by the fractionation of human blood? Gamma globulin
• In the human circulatory system blood returns to the heart from the lungs through Pulmonary Veins.
• First blood transfusion carried out in London
• pH value of water is 7, blood is 7.4 and urine is 5.5-6.5
• when iron is less in body the quantity of RBC decreases
• Leococytosis is the increase in number of white blood cells.
• it takes 30 seconds to blood for a complete circulation in human body
• Blood travels 1000 times through the whole body
• Hemoglobin is chromo-protein
• In lymph main cells are lymphocytes
• Blood has 83% of water
• Blood has 60% plasma, 40% corpuscles
• During sleep a man’s blood pressure fluctuates.
• Fat is a Lipid
• Human blood is 6 times thicker than water
• Heart pumps five liters of blood in 1 minute.
• Antigen is a substance that destroys harmful bacteria
• Blood typing is the way of determine the blood group.
• Platelets help to seal cuts in the skin.
• Almost half of the blood in a body is made up of red blood cells.
• White cells are about one for every 500 red cells.
• A blood donor gives about 500 ml of blood.
• RBC and WBC is bloods are counted by Hemocytometer.
• Of the blood groups A, B, AB and O, which one is transfused into a person whose blood group is A? Group A and O
• Your body contains eight pints of blood.
• Kari Landsteiner discovered the blood groups of man.
• Prothrombin which helps in clotting of blood is released by Blood platelets.
• The main function of white blood cells in the body is to protect the body against diseases.
• In which liquid component do the blood cells move about? Plasma
• Blood can be classified into how many main types of groups? Four
• The fluid portion of blood is known as the plasma.
• Blood contains 91 to 92% waster.
• Blood contains proteins like Serum Albumin, Serum Globulin, Prothrombin and Fibrinogen.
• RBCs in venous blood have bigger size than in arterial blood.
• RBCs due to their Hb content act as O2 carrier.
• RBCs are also known as Erythrocytes.
• WBCs are known as Leucocytes and act as police force of the body.
• WBCs are larger in size as compared to RBCs.
• Life span of WBCs is a few days to a few weeks.
• Platelets have no nucleus.
• Platelets are formed in red bone marrow.
• Life span of platelets varies from 4 to 10 days.
• Platelets are very rich in catecholamine.
• Blood grouping is based on the presence of blood group antigen (agglutinates) on RBCs which are inherited.
• O group comprises of 47% of population while A with 41% is second.
• Hemoglobin is a conjugated protein composed of heme and globulin.
• Quantity of hemoglobin is 16 gms/100 ml of blood in Males and 14 gms/100 ml of blood in females.
• Hemoglobin is basically from acetic acid and glycine.
• Platelets are essential for blood clotting

Admin Rizwan Ali Thaheem