Questions and Answers
What is the main function of plasma?
Regulation of osmotic pressure
Which component forms the highest percentage of plasma?
Water
What is the significance of the albumin/globulin (A/G) ratio?
It decreases in liver diseases
Which plasma protein is responsible for blood coagulation?
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What is the function of plasma globulins?
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Study Notes
Blood Composition
- Blood is composed of 55% plasma and 45% blood cells
- The three major types of blood cells are:
- Red blood cells (erythrocytes)
- White blood cells (leucocytes)
- Platelets (thrombocytes)
General Functions of Blood
- Respiration:
- Carries oxygen from lungs to tissues
- Carries carbon dioxide from tissues to lungs
- Temperature regulation
- Nutrition:
- Carries food absorbed from intestine to cells
- Cells use the absorbed nutrients
- Excretion:
- Carries waste products to excretory organs
- Immunity:
- Transports leucocytes
- Transports antibodies
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