Q. With reference to the components of human blood, consider the following statements:
1.Plasma, the liquid component, accounts for approximately 55% of the total blood volume.
2.Red Blood Cells (Erythrocytes) lack a nucleus at maturity to maximize space for hemoglobin.
3.Platelets (Thrombocytes) are the primary cell fragments responsible for blood coagulation (clotting).
How many of the statements given above are correct?
Answer: C
Notes:
Explanation:
- Statement 1 is correct: Plasma is >50%.
- Statement 2 is correct: Human RBCs are enucleated.
- Statement 3 is correct: White blood cells (from the original prompt) are for immunity; Platelets are for clotting.
