Water can be absorbed in the stomach, while certain vitamins are absorbed in the
The correct answer and explanation is:
Correct Answer: small intestine
Water can be absorbed in the stomach, while certain vitamins are absorbed in the small intestine.
Explanation:
The human digestive system is designed to break down food and absorb nutrients efficiently. Water absorption begins in the stomach but occurs primarily in the small and large intestines. The stomach can absorb small amounts of water, especially when it is empty. However, most of the water absorption takes place in the intestines, particularly in the large intestine. On the other hand, the absorption of vitamins occurs mostly in the small intestine.
The small intestine is the major site of nutrient absorption. It is made up of three parts: the duodenum, jejunum, and ileum. Each of these sections plays a role in digesting and absorbing different nutrients. Vitamins, which are essential organic compounds required in small amounts for various bodily functions, are mostly absorbed in the small intestine. These include both water-soluble vitamins (such as vitamin C and B-complex vitamins) and fat-soluble vitamins (A, D, E, and K).
Water-soluble vitamins are absorbed directly into the bloodstream from the small intestine and are distributed throughout the body. They do not require the presence of fat for absorption. Fat-soluble vitamins, on the other hand, require dietary fats and bile acids to form micelles, which facilitate their absorption into the intestinal lining. Once absorbed, they are stored in the liver and fatty tissues.
This coordinated absorption system allows the body to efficiently take in water and vitamins necessary for hydration, metabolism, immunity, and overall health. Disorders of the small intestine, such as celiac disease or Crohn’s disease, can impair vitamin absorption and lead to deficiencies, highlighting the critical role of the small intestine in nutrient uptake.