All of the following describe the circulatory system EXCEPT:
a. it includes the heart, arteries, capillaries, and veins.
b. breakdown products of proteins and carbohydrates are absorbed into it from the intestine.
c. it connects to the lymphatic system and receives lymph from it.
d. breakdown products of fat digestion are absorbed into it from the intestine.
d
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Identify an example of a commonly used bioactive substance.
A. medium-chain triglycerides B. soy protein C. dry milk powder D. whey E. gelatin
Maintaining bone health involves:
a. forming bone that is 100% compact. b. reaching peak bone mass by age 40. c. remodeling using osteoblasts and osteoclasts. d. keeping calcium in the bones regardless of blood concentrations.
An ________ is a substance that protects vulnerable molecules from free radicals.
A. enzyme B. ion C. antioxidant D. oncogene
Which of the following statements is false in regards to digestion in the stomach?
a. Pepsin is the primary enzyme responsible for chemical digestion in the stomach. b. Among macronutrients, proteins are subjected to the most active chemical digestion in the stomach. c. Carbohydrate digestion is unlimited in the stomach. d. Salivary amylase is inactivated by HCl.