Multiple Choice
In the context of bone marrow, which body system is primarily responsible for producing blood cells (hematopoiesis)?
Blood cell formation occurs in:
(a) Yellow bone marrow
(b) Red bone marrow
(c) The matrix of bone tissue
(d) The ground substance of bones
Sites of hematopoiesis include all but
a. Red marrow of spongy bone
b. The heads of femur and humerus in adults
c. Medullary cavities in bones of infants
d. Medullary cavities in bones of a healthy adult
Which of the following could be a reason why babies have relatively more red marrow than adults?