Final answer:
Blood cells are produced primarily in the red bone marrow through hematopoiesis, and the liver and spleen play roles in blood cell generation in adults.
Explanation:
Hematopoiesis occurs in the red bone marrow, where various types of blood cells are produced from hematopoietic stem cells. In adults, the liver and spleen maintain the ability to generate blood cells through extramedullary hematopoiesis.
Learn more about Blood cell production here:
https://brainly.com/question/42874710
