Small pores called gastric pits contain many exocrine cells that secrete digestive enzymes and hydrochloric acid into the lumen, or hollow region, of the stomach. Mucous cells found throughout the stomach lining and gastric pits secrete mucus to protect the stomach from its own digestive secretions.
Answer:he iris, the visible colored part of the eye, is the most anterior portion of the vascular layer of the eye, and either dilates or constricts to control how much light enters the posterior chamber.
Explanation:
B. Cause of the psychological disorder
DSM-IV-TR is a guide to clinical practice to facilitate research,
improve communication among clinicians and researches, and serve as an
educational tool. It is theoretical approach to diagnosis and management. It does
not reflect the etiology of mental disorders.
