The Blood
Chapter 13
Memmler
Objectives
1. Describe three functions of blood
2. Describe the composition of blood
3. Describe the three types of blood cells: erythrocytes,
leukocytes, and thrombocytes
4. Explain the formation of blood cells
5. Explain the breakdown of red blood cells and ...
, Objectives
1. Describe three functions of blood
2. Describe the composition of blood
3. Describe the three types of blood cells: erythrocytes,
leukocytes, and thrombocytes
4. Explain the formation of blood cells
5. Explain the breakdown of red blood cells and the
formation of bilirubin
6. Identify the steps of hemostasis
7. Describe the four blood types
8. Describe the Rh factor
9. Define several types of blood disorders
, Function
• Transportation • Oxygen, waste
materials, nutrients,
ions (electrolytes),
hormones,
• Fluid and electrolyte
• Regulation balance, acid-base
balance, body
temperature
• Protection • From infection,
clotting factors
, Some Facts
• Blood is a “connective tissue”
• It’s matrix is “ground substance”
• It’s color is determined by the amount of oxygen being carried
– Bright red: oxygen rich
– Darker blue/red: oxygen poor (oxygen deprivation, hypoxemia, is what
causes “cyanosis”)
• Quantity is determined by:
– Body size
– Gender
– Age
**The average adult has 4-6 liters
• Blood “viscosity” is about 3-5 times that of water
– An increase in viscosity can burden the heart and cause the pump to fail
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