A) Oxyntic cells?A secretion with pH between 2.0 and 3.0
B) Alpha cells of Islets of Langerhans- Secretion that decreases blood sugar level
C) Kupfer cells?A digestive enzyme that hydrolyses nucleic acids
D) sebaceous glands?A secretion that evaporates for cooling
Correct Answer: A
Solution :
Oxyntic cells occur in the wall of stomach. These secrete hydrochloric acid that forms part of the gastric juice and helps in the maintaining pH between 2 to 3. Alpha cells of islets of Langerhans of pancreas secrete glucagon hormone that increase blood glucose level. Kupffer cells are specialized macrophages that dispose of old blood cells and particulate matter. Sebaceous glands secrete sebum on to the surface of skin. Sebum is a fatty mildy antiseptic material that protects, lubricates and waterproofs the skin and hairs and helps to prevent desiccation.
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