Biology 9

രക്തം,രക്തകോശങ്ങൾ, ഗ്രൂപ്പുകൾ എന്നിവയുമായി ബന്ധപ്പെട്ട ചോദ്യങ്ങളാണ്  പാഠത്തിൽ

• Blood circulation was discovered by

                 William Harvey

• Tissues in the form of liquid in human body

                 Blood

• Hormons are transported by

                 Blood

• Which is called as river of life

                 Blood

• Study of blood

                 Haematology

• Liquid portion of blood is called

                 Plasma

• Level of plasma in blood is

                 55%

• Percentage of water in plasma

                 90%

• Examples of blood proteins are

                 Albumin, Globulin, and Fibrinogen

• Blood proteins are secreted by

                 Liver

• Blood protein which helps in blood cotting

                 Fibrinogen

• Blood protein which acts as antibodies

                 Globulin

• Blood protein which controls blood pressure

                 Albumin

• Blood groups and Rh factor are discovered by

                 Karl Landsteiner

• Substances which are capable of stimulating the formation of antibodies

                 Antigen

• Blood group without antigen

                 O

• Blood group without antibody

                 AB

• Blood group which is called as universal recipient

                 AB

• Blood group which is called as universal donor

                 O

• Most common blood group

                 O +ve

• Rarest blood group

                 AB -ve

• Blood with Rh antigen is considered as

                 Positive group

• Examples of artificial blood

                 Haemopure and Polyheme

• Iron content pigment which give Red color to blood 

                 Hemoglobin

• Which is called as respiratory pigment (Pigment which helps in transportation of Oxygen) 

                 Hemoglobin

• Protein part of Hemoglobin

                 Globin

• Formation of blood cells are known as 

                 Hemopoiesis

• Hemoglobin is present in

                 Red Blood Corpuscles (RBC) or Erythrocytes

• Blood cells which give immunity to the body

                 White Blood Corpuscles (WBC) Or Leucocytes

• Blood cells which helps in blood clotting

                 Platelets (Erythrocytes)

• Protein which helps in blood clotting

                 Fibrinogen

• Mineral which helps in blood clotting

                 Calcium

• Enzyme which helps in blood clotting

                 Thrombokinase

• Normal time for blood clotting

                 3-8 Minutes

• Blood plasma without clotting factor

                 Serum

• Organ known as Graveyard of RBC

                 Spleen

• Organ known as Blood bank in body (Reservoir of blood)

                 Spleen

• Deficiency of RBC causes the disease

                 Anaemia

• Abnormal rise in count of RBC known as

                 Polycythemia

• Blood cells having no nucleus

                 RBC and Platelets

• Only mammal having nucleus in RBC

                 Camel

• Blood cells having no colors

                 WBC and Platelets

• Life span of RBC

                 120 Days

• Life span of WBC

                 15 Days

• Life span of Platelets

                 4-7 Days

• RBC and Platelets are produced in

                 Bone marrow

• WBC produced at

                 Spleen, Lymph glands and bone marrow

• Order of count of different blood cells 

                 RBC> Platelets> WBC

• Blood cells producing antibodies

                 WBC

• Study of blood vessels and lymphatics

                 Angiology

• Substances that resisting our body from disease causing organisms

                 Antibodies

• Over production of WBC causes

                 Leukaemia

• Deficiency of WBC causes the disease

                 Leukopenia

• 5 Types of WBC

                 Neutrophil, Basophil, Eosinophil, Monocyte, Lymphocyte

• Largest blood cell

                 WBC

• Largest WBC

                 Monocyte

• Smallest WBC

                 Lymphocyte

• Prportion of RBC and WBC in human body

                 5000:1

• Colored connective tissue

                 Blood

• Colorless connective tissue

                 Lymph

• Process of blood clotting in wounds is called

                 Coagulation

• Anticoagulant in blood that prevent coagulation in blood vessels

                 Heparin

• Heparin is produced by

                 Basophil

• Clotting of blood in blood vessels is called 

                 Thrombosis

• Block in artery is removed by

                 Angioplasty

• Inability of clotting of blood is called 

                 Haemophilia

• Hereditary disease which is called as Christmas disease

                 Haemophilia

• Amount of blood in a healthy person

                 5-6 Liters

• Normal blood pressure of a man

                 120/80 mm Hg (120 systolic pressure, 80 Diastolic pressure)

• Which is called as Silent killer

                 High Blood pressure (Hypertension)

• Instrument used to measure blood pressure

                 Sphygmomanometer (Inventor : Julius Harison)

• During sleeping time, blood pressure

                 Decrease
                                                                                            (To be Continued...)