Blood, Part 2

What is the primary function of erythrocytes in the body?

• To carry oxygen and carbon dioxide

• To transport nutrients

• To fight infections

• To clot blood

What unique shape do erythrocytes have?

• Rectangular

• Cylindrical

• Biconcave

• Spherical

Why can't hemoglobin run free in the bloodstream without red blood cells?

• It would evaporate

• It would not bind to oxygen

• It would be too viscous

• It would cause infections

What triggers the release of erythropoietin (EPO)?

• A decrease in platelet count

• Low oxygen levels in the blood

• An increase in white blood cells

• High oxygen levels in the blood

Tags

NGSS.HS-LS1-3

What is the main risk associated with blood doping?

• Lower blood pressure

• Increased muscle mass

• Decreased blood viscosity

• Blood clots and heart failure