This document discusses the composition and components of blood. It states that blood is composed of plasma and cells, with plasma making up 55% and cells 45%. The main cells are red blood cells, white blood cells, and platelets. Plasma contains 91% water and proteins like albumin, globulin, and fibrinogen. Red blood cells carry oxygen through hemoglobin and have a lifespan of 120 days. White blood cells provide immunity and come in two types - granulocytes and agranulocytes. Platelets help in blood clotting and have a lifespan of 5-9 days.
3. Plasma
Plasma Contains:
91% of water
Proteins (albumin, globulin, and fibrinogen)
Albumin: responsible for osmotic pressure.
Globulin: alpha, beta , gamma produces antibodies.
Fibrinogen: responsible for coagulation of blood.
4.
5. Blood Cells
The blood cells are of three types :
Red Blood cells
White Blood cells
Platelets
Hemoglobin: It is a pigment carry oxygen.
The hemoglobin content of body 15g per 100ml
of blood.
6. Red Blood Cells
These are also known as “Erythrocytes”
The life span of RBS is 120 days.
Volume: 5-5.5 ml/mm3
The function of RBC is to carry oxygen and
collect carbon dioxide through use of
hemoglobin(iron) .
They are of Bioconcave disc shaped
No nucleus present in these cells.
7.
8. White Blood Cells
These are also known as “Leucocytes”
The life span of WBS is 3-5days.
Volume: 5000-10,000ml/mm3
The function of WBC is to provide immunity to
body.
They are of irregular shape
Nucleus present in these cells.
9.
10. TYPES of WBC
They are colorless cells containing a nucleus.
They are larger in size than RBC.
They are divided into two called
Granulocytes(They have granules in cytoplasm.)
Agranulocytes(They do not have granules cytoplasm)
13. Platelets
These are also known as “Thrombocytes”
The life span of platelets are 5-9 days.
Volume: 2.5 lakhs-4 lakhs.
The function of platelets is to help in formation of
blood clots immunity to body.
They are of irregular shape
Nucleus is present in these cells.
14. Contd.
Thrombocytophenia: condition in which there is a decrease in
platelet count.
Clotting of Blood.
It is a defense mechanism and prevents loss of blood from site of
injury.
Stages
Prothrombin
Thromboplastin : convert prothrombin into thrombin.
Thrombin: fibrinogen to fibrin.
15.
16. FACTS
% of hemoglobin in male: 14-16g/100cc
female: 12-14g/100cc
Rate of breathing: 16-20 per/ minute.
Volume of blood in human body: 5-6 liters.
Ph level of blood: 7.4
Spleen is known as blood bank and graveyard of RBC.
AB blood group: Universal reciever
O blood group: Universal donar.
17. Disorders of Blood.
Anemia: There is decrease in hemoglobin(iron content)
Hemolytic: increase destruction of RBC.
Leucopenia: decrease number of WBC.
Erythropoiesis: Process by which RBC is formed.
Vitamin B12 and folic acid is essential for development of RBC.
SIZE
WBC>RBC>Platelets.