Digestive system-Absorption of nutrients in the SI

What happens to glucose and AAs?

active transport moves them into the intestinal walls, where they are picked up by blood capillaries

What happens to medium-chain triglycerides?

they are absorbed and sent to the liver

What happens to large-chain triglycerides?

they form chylomicrons and are sent to the lymphatic system

What happens to fat-soluble vitamins?

90% of them are absorbed in lipids in SI, then transported to liver or adipose tissue

What happens to water-soluble vitamins?

most of them are absorbed via simple diffusion and sent to the kidneys; excess are excreted

What happens to minerals in SI?

absorption of these depend largely on bioavailability, pH, availability of substances for co-transport, etc.

What kind of water absorption happens in SI?

absorption from food/drink; rest is handled by LI

Hypotonic solutions facilitate what by the SI?

water absorption

Hypertonic solutions facilitate what in SI?

water to be pulled into the SI, which can cause GI distress