The digestive tract needs _____, which provides the bulk against which the muscles of the colon can work

a. energy
b. fiber
c. nutrients
d. water
e. fat


b

Nutritional Science

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Which of the following substances is secreted by the human stomach?

A. Hydrochloric acid B. Bile C. Chyme D. Lymphatic fluid

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What is the hormonal mechanism by which thirst leads to reduces urine output?

What will be an ideal response?

Nutritional Science

Why do Okinawans enjoy one of the longest life spans of anyone on earth?

Nutritional Science

Protein-restricted diets naturally curb the intake of:

a. sodium. b. phosphorous. c. potassium. d. vitamin B6.

Nutritional Science