6529 Lecture Notes - Lecture 8: Blood Vessel, Blood Plasma, Hemostasis
19 Jun 2018
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BLOOD AND VESSELS
- Describe the composition and physical characteristics of blood
- List the functions of blood
- Discuss the composition and functions of plasma
- Describe the structure, function, and production of erythrocytes
- List the classes, structural characteristics, and functions of leukocytes
- Describe the process of leukocyte production
- Describe the process of hemostasis
- List the blood groups and explain blood typing
Funtctions of blood
- Blood is a liquid connective tissue
Composition of blood
Made up of cells and blood plasma
- Cellular components include = red blood cells , white blood cells( help with immune system)
and platelets( help with blood clotting) . are called the formed elements
- Plasma portion = consist of water , proteins and other solute ( anything that is dissolved in
the blood )
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Red blood cells = make up major portion of formed
elements , are thin in the centre and light can
penetrate through
Functions and properties of blood
- Blood transports oxygen , c02 , nutrients ,
hormones , remove wastes
- Blood regulates homeostasis of all body fluids, ph , temp and water content of cells
- Blood protects against excessive loss by clotting and against infections through the use of
white blood cells
Lymphocytes = white blood cells are able to live for years
- The number of red blood cells and platelets remains stead but the number of white blood
cells varies depending on invading pathogens ( if we have infection they will multiply )
Producing blood
- The process of producing blood is hemiparesis. They differentiate from pluripotent stem
cells.
Red blood cells
- Contain haemoglobin – that is used to carry oxygen to cells
- Red blood cells do not have a nucleus – allows for cells to efficiently carry oxygen
themselves ( the shape also helps )
- Haemoglobin = is also involved in regulating blood flow and blood pressure.
find more resources at oneclass.com
find more resources at oneclass.com
Document Summary
Describe the composition and physical characteristics of blood. Describe the structure, function, and production of erythrocytes. List the classes, structural characteristics, and functions of leukocytes. List the blood groups and explain blood typing. Cellular components include = red blood cells , white blood cells( help with immune system) and platelets( help with blood clotting) . are called the formed elements. Plasma portion = consist of water , proteins and other solute ( anything that is dissolved in the blood ) Red blood cells = make up major portion of formed elements , are thin in the centre and light can penetrate through. Blood transports oxygen , c02 , nutrients , hormones , remove wastes. Blood regulates homeostasis of all body fluids, ph , temp and water content of cells. Blood protects against excessive loss by clotting and against infections through the use of white blood cells. Lymphocytes = white blood cells are able to live for years.
