When an injury occurs, thrombocytes stick to the damaged area of the blood vessel wall and form clumps to block the blood flow. This process is known as ________.
A. hematopoiesis
B. plasmapheresis
C. stem cell transplantation
D. aggregation
Answer:D
When an injury occurs, thrombocytes stick to the damaged area of the blood vessel wall and form clumps to block the blood flow. This process is known as ________.
A. hematopoiesis B. plasmapheresis C. stem cell transplantation D. aggregation
Explanation: A) This does not describe hematopoiesis.