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14 Cards in this Set

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The __________ is of fundamental importance in maintaining homeostasis.
It is classified as a connective tissue, its cells are not in a fixed postition they move freely. It is a viscous (thick)fluid.
Blood
Average adult male weighs 1._____ lbs and has about 2.____ of blood. This volume accounts for about 3.___ of the total body weight.
1. 154 lbs
2. 5 liters
3. 8%
Name substances blood transports.
1. transports Oxygen through the thin lung membranes.
2. transportes nutrients, electrolytes and vitamins to the cells.
3. transportes the waste products from the cells to the sites from which they are released.
4. transportes horomones from their sites of origin to the organs they affect.
How does the blood regulate our bodies.
1. Buffers in the blood serve to keep the blood at a constant 7.4 pH.
2. Serves to regulate the amount of bluid in the tissues by means of substances (mainly proteins) that maintain the proper osmotic pressure.
3. blood transports heat that is generated in the muscles to other parts of the body.
How does blood protect our bodies.
1. important in defense against disease. It carries the cells and antibodies of the immune system that protect against pathogens.
2. contains factors that protect against blood lost from the site of injury.
What two main components are found in the blood.
1. blood plasma
2. formed elements
What are the formed elements found in the blood consist of?
1. erythrocytes
2. leukocytes
3. platelets or thrombocytes
1.These are red blood cells that transport oxygen.

2. These are white blood cells that protect against infection.

3. These are cell fragments that particpate in blood clotting.
1. Erythrocytes
2. Leukocytes
3. Platelets or thrombocytes
What are the substances found in blood plasma.
1. 90 % water
2. protein
3. glucose
4. amino acids
5. lipids
6. electrolytes
7. vitamins, hormones, waste products and drugs are also transported.
The protein found in blood is made up of what substances.
1. albumin; the most abundant protein in plasma, maintains the osmotic pressure of the blood. It is manufactured in the liver.
2. clotting factors; manufactured in the liver.
3. antibodies; combat infection
4. a system of enzymes; helps antibodies fight against infection.
This is stored mainly in the liver as glycogen and is released as needed to supply energy.
glucose
The products of protein digestion; absorbed in the blood through the intestinal capilliaries.
Amino acids
Constitute a small percentage of blood plasma; include fats, cholesterol and lipoproteins.
Lipids
Appear primarily as chloride, carbonate, phosphates salts of sodium, potassium, calcium and magnesium. Calcium and phospate are used in the formation of bone.
Iodine for the production of thyroid hormones.
Potassium carbonates and phospates are used in the acid-base balance.
Electrolyes