6 Questions
What is the primary function of blood in maintaining homeostasis?
Regulation of pH and body temperature
What is the main component of blood that is responsible for its liquid state?
Plasma
Which of the following is NOT a function of blood in the transportation process?
Production of antibodies
What is the role of blood proteins in immunity?
Production of antibodies and complements
What is the primary role of phagocytic blood cells?
Immunity through phagocytosis
What is the result of blood clotting?
Prevention of blood loss
Study Notes
Hematology: The Study of Blood
- Hematology is the study of blood, blood-forming tissues, and blood disorders.
Blood Composition
- Blood is a connective tissue consisting of materials suspended in a nonliving liquid matrix called plasma.
Blood Functions
Transportation
- Transports O2 and CO2 between the lungs and the tissues.
- Transports absorbed nutrients from the gastrointestinal tract to the liver and other cells.
- Transports hormones from endocrine glands to target cells.
- Transports waste products from cells to excretory sites including the liver, kidneys, and skin.
- Transports heat throughout the body.
Regulation
- Helps regulate pH via buffers.
- Helps regulate body temperature by carrying excess heat to the skin for dissipation.
- Helps regulate body temperature by vasoconstricting to conserve heat.
- Helps maintain osmotic pressure by maintaining blood protein and electrolyte levels.
- Plays a major role in maintaining homeostasis.
Protection
- Plays many roles in immunity.
- Some blood cells are phagocytic.
- Some blood cells produce antibodies.
- Blood proteins such as complements, and interferons are important in immunity.
- Helps maintain homeostasis by clotting to prevent blood loss.
This quiz covers the functions of blood, including transportation, regulation, and protection, as well as its composition and disorders.
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