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A&P II Exam 3 – Complete
Definitions & Answers 2026
Circulatory system - correct-answer -Body system that transports oxygen, nutrients, wastes, and
hormones through the body using the heart, blood vessels, and blood
Cardiovascular system - correct-answer -Heart and blood vessels responsible for circulating
blood
Hematology - correct-answer -Study of blood, blood diseases, and blood function
Functions of blood - correct-answer -Transport, protection, and regulation
Transport function of blood - correct-answer -Movement of oxygen, carbon dioxide, nutrients,
hormones, and wastes through the body
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Protection function of blood - correct-answer -Defense against pathogens using immune cells,
antibodies, and clotting
Regulation function of blood - correct-answer -Maintaining body temperature, pH balance, and
fluid balance
Plasma - correct-answer -Liquid portion of blood that carries dissolved substances
Formed elements - correct-answer -Cellular components of blood including erythrocytes,
leukocytes, and platelets
Blood fractionation - correct-answer -Process of separating blood components using
centrifugation
Hematocrit - correct-answer -Percentage of blood volume made up of red blood cells
Buffy coat - correct-answer -Thin layer containing white blood cells and platelets between
plasma and red blood cells
Serum - correct-answer -Plasma without clotting proteins
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Albumin - correct-answer -Most abundant plasma protein that maintains osmotic pressure and
transports substances
Globulins - correct-answer -Plasma proteins that function in transport and immune defense
Fibrinogen - correct-answer -Plasma protein that forms fibrin during blood clotting
Blood viscosity - correct-answer -Thickness of blood that affects resistance to flow
Blood osmolarity - correct-answer -Concentration of dissolved particles in blood
Colloid osmotic pressure - correct-answer -Pressure created by plasma proteins that pulls water
into blood vessels
Hypoproteinemia - correct-answer -Low levels of plasma proteins
Ascites - correct-answer -Fluid accumulation in the abdomen due to low plasma protein levels
A&P II Exam 3 – Complete
Definitions & Answers 2026
Circulatory system - correct-answer -Body system that transports oxygen, nutrients, wastes, and
hormones through the body using the heart, blood vessels, and blood
Cardiovascular system - correct-answer -Heart and blood vessels responsible for circulating
blood
Hematology - correct-answer -Study of blood, blood diseases, and blood function
Functions of blood - correct-answer -Transport, protection, and regulation
Transport function of blood - correct-answer -Movement of oxygen, carbon dioxide, nutrients,
hormones, and wastes through the body
,2|Page
Protection function of blood - correct-answer -Defense against pathogens using immune cells,
antibodies, and clotting
Regulation function of blood - correct-answer -Maintaining body temperature, pH balance, and
fluid balance
Plasma - correct-answer -Liquid portion of blood that carries dissolved substances
Formed elements - correct-answer -Cellular components of blood including erythrocytes,
leukocytes, and platelets
Blood fractionation - correct-answer -Process of separating blood components using
centrifugation
Hematocrit - correct-answer -Percentage of blood volume made up of red blood cells
Buffy coat - correct-answer -Thin layer containing white blood cells and platelets between
plasma and red blood cells
Serum - correct-answer -Plasma without clotting proteins
, 3|Page
Albumin - correct-answer -Most abundant plasma protein that maintains osmotic pressure and
transports substances
Globulins - correct-answer -Plasma proteins that function in transport and immune defense
Fibrinogen - correct-answer -Plasma protein that forms fibrin during blood clotting
Blood viscosity - correct-answer -Thickness of blood that affects resistance to flow
Blood osmolarity - correct-answer -Concentration of dissolved particles in blood
Colloid osmotic pressure - correct-answer -Pressure created by plasma proteins that pulls water
into blood vessels
Hypoproteinemia - correct-answer -Low levels of plasma proteins
Ascites - correct-answer -Fluid accumulation in the abdomen due to low plasma protein levels
