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Questions and Answers
What is the volume of blood an average adult possesses?
What is the volume of blood an average adult possesses?
5-6 liters
What is the pH of blood?
What is the pH of blood?
Slightly alkaline, with a pH of ~ 7.4
What is the primary function of red blood cells or erythrocytes?
What is the primary function of red blood cells or erythrocytes?
Transportation of respiratory gases: Oxygen from lungs to cells and Carbon dioxide from cells to lungs
What are the major functions of blood?
What are the major functions of blood?
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What is the role of blood in temperature regulation?
What is the role of blood in temperature regulation?
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Study Notes
Blood Overview
- Blood is classified as a specialized connective tissue.
- Its appearance is characterized as red and opaque.
Physical Properties
- Blood is slightly alkaline with a pH of approximately 7.4.
- It has a viscous nature, making it slightly thicker than water.
- Notably possesses a salty metallic taste.
- An average adult has approximately 5-6 liters of blood.
Major Functions
Transportation
- Respiratory Gases: Erythrocytes (red blood cells) transport oxygen from the lungs to the body's cells and carbon dioxide from the cells back to the lungs.
- Nutrition: Blood absorbs nutrients from digested food in the gastrointestinal tract and distributes them throughout the body.
- Excretory Waste: Blood carries metabolic wastes, excess water, ions, and other unnecessary molecules to the kidneys, where they are excreted in urine.
Regulation
- Hormones: Blood transports hormones from their production sites to target tissues, facilitating regulatory functions throughout the body.
- Temperature Regulation: Blood plays a critical role in distributing body heat to maintain overall temperature balance.
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Description
Test your knowledge of blood with this quiz! Learn about the appearance, nature, and functions of this specialized connective tissue. Challenge yourself with questions on its volume, pH, and major functions such as transportation, regulation, and protection.
