The organ that produces the hormone insulin is the: MCQ with Answer and Explanation

Explanation:
The cerebrum is the largest part of the brain, responsible for higher functions like voluntary motor actions, sensory processing, and intelligence. The cerebellum coordinates muscle movements and maintains posture and balance. The medulla oblongata contains vital centers controlling involuntary functions like heartbeat, breathing, and blood pressure. All three statements are correct.

Explanation:
Villi are microscopic finger-like projections on the inner lining of the small intestine, covered with microvilli (brush border), greatly increasing surface area for absorption of digested nutrients. Each villus contains a lacteal (lymph capillary) and blood capillaries. Alveoli are in lungs, nephrons in kidneys, cilia are hair-like projections on cells.

Explanation:
Amoebiasis, also known as amoebic dysentery, is an intestinal infection caused by the protozoan parasite Entamoeba histolytica. It is transmitted through ingestion of cysts in contaminated food or water. Symptoms include abdominal pain, diarrhea, and dysentery (bloody stools). It can also spread to the liver, causing amoebic liver abscesses.