(a) cardiac sphincter
(b) bile
- emulsifies fats
-neutralizes the acidic chyme
- provides alkaline medium for enzymatic action
(c) highly coiled to reduce speed of food movement for maximum digestion/absorption
- has numerous villi and micro-villi for maximum absorption of food
- highly vascularized to create a steep diffusion gradient for transportation of food
- it is long to create a large surface area for digestion/absorption of food
- has goblet cells that secrete mucus; that prevents digestion of the walls by digestive enzymes
- has thin epithelium for faster diffusion of digested food products;
maurice.mutuku answered the question on November 7, 2019 at 05:57
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