Platelets are formed by:

A) cell division in the spleen.
B) disruption of a phagocyte.
C) fragmentation of the cytoplasm of a B lymphocyte.
D) small pieces pinching from very large cells in the bone marrow.
E) the release of granules from a neutrophil.

Platelets

Small, disk-shaped blood cells essential for blood clotting and wound healing.

Cytoplasm

The material or protoplasm within a living cell, excluding the nucleus, containing various organelles and inclusions important for cell function.

Bone Marrow

A soft, spongy tissue found inside bones that is the primary site of new blood cell production or hematopoiesis.