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Item BF135001: Blood stays within blood vessels and moves to all parts of the body.

Which is TRUE about the movement of blood through the circulatory system?

  1. Blood stays within blood vessels and moves to all parts of the body.
  2. Blood stays within blood vessels and moves to only some parts of the body.
  3. Blood moves freely in and out of blood vessels and moves to all parts of the body.
  4. Blood moves freely in and out of blood vessels and moves to only some parts of the body.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 3257
6–8
n = 1992
9–12
n = 1257
Male
n = 1565
Female
n = 1637
English
n = 2903
Other
n = 285
A. 53% 51% 58% 52% 55% 55% 45%
B. 13% 15% 10% 15% 12% 13% 17%
C. 25% 25% 26% 25% 26% 25% 29%
D. 8% 9% 6% 8% 7% 8% 9%