The organs of the abdominal cavity are called a. pleural. b. dorsal. c. viscera. d. fascia.

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

What is thought to have caused the mass extinction at the end of the cretaceous period?

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?