What can result from a deficiency in the functions of the small intestine?

A deficiency in the functions of the small intestine primarily leads to difficulty in the absorption of nutrients. The small intestine plays a critical role in the digestion and absorption of macronutrients, micronutrients, and water. When its function is compromised, the ability to effectively absorb these essential nutrients into the bloodstream is impaired, which can result in various health issues, including nutrient deficiencies.

While abnormal bowel movements can indeed result from issues related to nutrient absorption, they are not direct indicators of a deficiency in small intestine function. Rather, they might be secondary effects of malabsorption or issues occurring further down the digestive tract. Therefore, understanding that a deficiency in the small intestine's functions can lead to direct effects on nutrient absorption highlights the importance of this organ in overall digestive health.

Focusing on nutrient absorption emphasizes the critical role of the small intestine and helps clarify the primary consequences of its dysfunction.