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explain bile - external defence mechanismit is an alkaline secretion of the liver which checks the growth of foreign bacteria on the partially
explain gut secretions - external defence mechanismfrom the saliva and respiratory tract bacteria reach the gut here they are killed by the
explain saliva - external defence mechanismsaliva contains microorganisms which are not the normal inhabitants dead microbes are passively flushed by
explain skin secretions - external defence mechanismthe oil and sweat secreted by sebaceous and soporiferous glands contains fatty and lactic acids
explain role of the mucous in body systems and organs- the gastrointestinal tract the microbes which enter through the mouth are caught in the mucous
explain mucous membranes - external defence mechanismmucous membranes the digestive urinary genital and respiratory tracts open out at one or both
explain physical barrier for external defence mechanism - skinit provides nice protective covering to the body the outer layer- horny layer -
non-specific defence mechanismthe non-specific defence mechanism is implemented for different types of infections it resists infection in two ways
explain ways how immune system protect us1 it creates a barrier that prevents bacteria and viruses from entering our body2 if a bacterium or
explain immune systemthe animals and the human beings are forced to encounter many dangerous microbe in their day-to-day life through water air and
define red cells ndash component of bloodthese are employed in the treatment of all kinds of anaemia which cant be medically corrected like when
define whole blood ndash components of bloodthis is rarely employed these days only really in instances of severe blood loss in place of itrsquos
explain the transfusion of blood blood has been considered as the elixir of life however in ancient times patients were bled to get rid of their foul
explain haemophilia haemophilia is a disease characterized by excessive bleeding due to deficiency of clotting factor viii the patient need repeated
explain idiopathic thrombocytopenic purpurathrombocytopenic means the blood doesnt comprise adequate platelets purpura means a person has excessive
explain the aplastic anaemiabone marrow aplasia means lack of functioning of bone marrow this can occur due to excessive x-ray or radiation treatment
define haemorrhagic or blood loss anaemia the body replaces plasma within 1-3 days after a haemorrhage but this leaves a low concentration of red
define erythroblastosis fetalisbesides the risk of a mismatch reaction during a second or during any subsequent blood transfusion giving
explain rh incompatibilityrh compatibility sometimes leads to complications which are generally not seen with other types of mismatched transfusions
explain rh blood grouping systemsome individuals also have a so called rh antigen on the surface of their rbcs those who have it are called rh and
define the blood groups we start our discussion by answering the question - do all of us have the same blood group no each individual has a different
age related differences in erythropoiesis1 during intrauterine life in the early embryo erythropoiesis occurs in the mesoderm the middle of the three
explain the erythropoiesiserythropoiesis derived from the word erythros meaning red and polesis meaning making is a part of a broader process
define the functions of plateletsthe main function of platelets or thrombocytes is to stop the loss of blood from wounds ie haemostasis let us learn
define plateletsblood platelets the third blood cells are the smallest formed by the pinching of a very large bone marrow cell called megakaryocyte