If the stomach\'s structure suggests its function as an organ of storage, and ch

Question

If the stomach's structure suggests its function as an organ of storage, and chemical and mechanical digestion, how does the small intestine's structure suggest its function? Select one a. It is basically a convoluted version ot the esophagus, and serves to speed chyme along from the stomach to the large intestine where it may be turther processed. O b. The small intestine's many tums and loops serve to churm and redistribute chyme so that it is well mixed and can be better digested. O c. Its smooth muscular walls propel chyme with great force, the smal intestine is the site of the most vigorous peristalsis in the body. d. The great length ofthe small intestine provides an enormous surface area across which products of digestion may be absorbed into the nch blood supply of the mesentery.

Explanation / Answer

1. Option D is correct.

The external morphology (long tube-like structure) enables intestine to absorb nutrients efficiently from the digested food products.

2. Option C is correct.

Viruses do not show their own metabolism outside their host. They are obligate parasites.

3. TRUE

Trans-retinal = Active form

cis-retinal = Inactive form

Light converts cis-retinal to trans-retinal.

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