bone marrow <span>contains hematopoietic stem cells, which give rise to the three classes of blood cells that are found in the circulation: white blood cells (leukocytes), red blood cells (erythrocytes), and platelets (thrombocytes)</span>
Answer:
Games are played to 11 points.
Toss the ball straight up when serving.
Doubles serves must go right court to right court.
Volleys are not allowed.
Touching the ball with your paddle hand Is allowed.
One must consider physical, mental, and social factorts
