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Questions and Answers
What is the primary function of erythrocytes in the blood?
Which component of blood plays a significant role in immune functions?
Which of the following is NOT a function of blood?
What is the typical pH range maintained by blood?
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How does blood help in stabilizing blood pressure?
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Which substances are transported by plasma in blood?
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What role does blood play in maintaining body temperature?
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What is one of the ways blood contributes to acid-base homeostasis?
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Which cells are involved in the formation of a blood clot?
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Which function of blood is directly related to gas exchange?
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Study Notes
Functions of Blood
- Gas Exchange: Oxygen is transported from lungs to tissues by erythrocytes; carbon dioxide is carried back to lungs by both erythrocytes and plasma.
- Solute Distribution: Plasma carries nutrients, hormones, waste products, and ions, regulating their concentrations in tissues.
- Immune Functions: Blood serves as a transport medium for leukocytes and immune proteins, allowing them to reach various tissues for defense against pathogens.
- Blood Clotting: Upon vessel injury, platelets and specific proteins aggregate to form clots, crucial for sealing wounds and preventing blood loss.
- Temperature Regulation: Blood dissipates heat produced by metabolic activities, aiding in the maintenance of a stable body temperature.
- Acid-Base Homeostasis: Blood pH is maintained between 7.35 and 7.45 through buffering systems and plasma proteins, ensuring a stable internal environment.
- Blood Pressure Stability: Blood volume is a key determinant of blood pressure, with sufficient blood volume essential to maintain pressure in circulation.
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Description
This quiz focuses on the various functions of blood in the human body, including gas exchange and solute distribution. Understand how erythrocytes and plasma contribute to these vital processes. Test your knowledge on blood's role in transporting oxygen, carbon dioxide, nutrients, and hormones.
