D) Pituitary
The reason for the answer being choice D is because the pituitary gland is a small pea-sized body attached to the base of the brain. The pituitary gland is important in controlling growth and development and the functioning of the other endocrine glands.
Answer:
having more air spaces around the spongy mesophyll cells
<h3>A process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane is Exocytosis.</h3>
I believe the answer is A, hope this helps :)