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Item BF131001: The circulatory system carries products of digestion from the digestive tract to cells of both the brain and the skin.

Which of the following statements is TRUE about products of digestion getting from the digestive tract to the cells of the brain and the cells of the skin?

  1. The circulatory system carries products of digestion to cells of both the brain and the skin.
  2. The circulatory system carries products of digestion to cells of the brain but not to cells of the skin.
  3. Products of digestion get to cells of both the brain and the skin, but these molecules are not carried by way of the circulatory system.
  4. Products of digestion do not get to cells of the brain or the skin. 
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1696
6–8
n = 992
9–12
n = 700
Male
n = 823
Female
n = 849
English
n = 1507
Other
n = 150
A. 35% 32% 40% 37% 33% 35% 30%
B. 24% 25% 22% 25% 22% 24% 25%
C. 25% 27% 24% 24% 27% 25% 29%
D. 16% 17% 15% 14% 17% 16% 17%