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
Nutritional Science
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