The male reproductive part of a flower is the: MCQ with Answer and Explanation

Explanation:
Rickets, caused by vitamin D deficiency, results in impaired mineralization of growing bones, leading to bowed legs, knock-knees, soft skull, and delayed growth. Scurvy (vitamin C deficiency) causes bleeding gums, pellagra (niacin deficiency) causes dermatitis and diarrhea, and anemia can be due to iron or B₁₂ deficiency.

Explanation:
Neurotensin is a 13-amino acid peptide that functions as both a neuromodulator in the central nervous system and a hormone in the gastrointestinal tract. In the gut, it is secreted by the N cells in the ileum in response to fat ingestion. Its primary gastrointestinal functions are to inhibit gastric motility and gastric acid secretion (contributing to the 'ileal brake'), and to stimulate the release of histamine from mast cells and glucagon from the pancreas. It also causes vasodilation in the intestinal mucosa.

Explanation:
The spleen, located in the upper left abdomen, filters blood, removes senescent or damaged red blood cells, stores platelets and white blood cells, and mounts immune responses. The liver processes nutrients and toxins, kidneys filter blood to produce urine, pancreas secretes enzymes/hormones.