Blood Components and Functions

Which component of centrifuged blood contains white blood cells and platelets?

• Plasma

• Buffy Coat

• Red Blood Cells

• Hemoglobin

What percentage of centrifuged blood is composed of plasma?

• 45%

• 55%

• 1%

• 60%

What is the primary function of hemoglobin in red blood cells?

• To bind carbon dioxide

• To bind oxygen

• To produce energy

• To fight infections

Tags

NGSS.HS-LS1-7

Where does erythropoiesis primarily occur in the body?

• Liver

• Bone marrow

• Spleen

• Lymph nodes

Which hormone regulates the production of red blood cells?

• Insulin

• Erythropoietin

• Adrenaline

• Thyroxine

What is the role of thrombocytes in the blood?

• Transport oxygen

• Initiate blood clotting

• Fight infections

• Carry nutrients

From which cells are thrombocytes formed?

• Erythrocytes

• Megakaryocytes

• Leukocytes

• Lymphocytes

What is the function of phagocytosis in white blood cells?

• To produce antibodies

• To engulf pathogens

• To transport oxygen

• To initiate clotting

What percentage of centrifuged blood is composed of red blood cells?

• 55%

• 45%

• 1%

• 60%

What is the main function of erythrocytes in the blood?

• To fight infections

• To transport oxygen

• To initiate clotting

• To produce hormones