Blood Cells and Their Functions

The video provides an overview of blood composition, detailing the volume and components of blood, including erythrocytes, leukocytes, and platelets. Erythrocytes transport oxygen and lack nuclei and mitochondria. Leukocytes, both granular and agranular, play roles in the immune response. Platelets are crucial for blood clotting. The video also discusses blood volume and the balance of fluids in the body, highlighting the dynamic equilibrium between hydrostatic and osmotic pressures.

What percentage of the total body weight does blood constitute?

• 5%

• 8%

• 10%

• 12%

What is the primary function of erythrocytes?

• Clot blood

• Fight infections

• Transport oxygen

• Transport nutrients

How do erythrocytes generate energy?

• Fermentation

• Aerobic respiration

• Anaerobic respiration

• Photosynthesis

Which type of leukocyte is most abundant in the blood?

• Neutrophils

• Basophils

• Monocytes

• Eosinophils

What is the characteristic staining color of eosinophils?

• Yellow

• Green

• Blue

• Pink

Which leukocyte is known for having a kidney-shaped nucleus?

• Lymphocytes

• Monocytes

• Basophils

• Neutrophils

What is another name for plasma cells?

• D cells

• B cells

• E cells

• T cells

From which cells are platelets derived?

• Lymphocytes

• Megakaryocytes

• Erythrocytes

• Monocytes

What is the lifespan of platelets?

• 10-15 days

• 1-3 days

• 20-30 days

• 5-9 days

What force promotes the formation of interstitial fluid from plasma?

• Tidal pressure

• Atmospheric pressure

• Hydrostatic pressure

• Osmotic pressure