Item BF122003: 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 only some parts of the body.
  2. Blood stays within blood vessels and moves to all parts of the body.
  3. Blood moves freely through the walls of blood vessels and moves to only some parts of the body.
  4. Blood moves freely through the walls of blood vessels and moves to all parts of the body.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1522
6–8
n = 924
9–12
n = 594
Male
n = 717
Female
n = 775
English
n = 1352
Other
n = 129
A. 12% 14% 10% 12% 12% 13% 9%
B. 52% 49% 56% 51% 52% 53% 42%
C. 13% 14% 11% 14% 13% 13% 19%
D. 23% 23% 22% 23% 23% 22% 30%