Science Assessment ~ Topics ~ Human Body Systems ~ Item BF095004 ~ Student Performance

What parts of the body have microscopically small blood vessels (capillaries) that are close enough to cells of that part of the body so that molecules can move from the blood to those cells?

Capillaries are found in body organs such as the brain, lungs, and intestines, and capillaries are also found inside external parts of the body such as arms, legs, hands,
and feet.
Capillaries are found in body organs such as the brain, lungs, and intestines, but capillaries are not found inside external parts of the body such as arms, legs, hands,
and feet.
Capillaries are found inside external body parts such as arms, legs, hands, and feet, but capillaries are not found in body organs such the brain, lungs, and intestines.
Capillaries are not found inside external body parts such as arms, legs, hands, and feet, and capillaries are not found in body organs such as the brain, lungs, and intestines.

Distribution of responses
Answer Choice	Overall	Grades		Gender		Primary Language
	n = 1700	6–8 n = 994	9–12 n = 702	Male n = 820	Female n = 856	English n = 1509	Other n = 152
A.	37%	35%	40%	35%	38%	37%	36%
B.	29%	30%	28%	30%	29%	28%	37%
C.	23%	23%	23%	23%	23%	23%	18%
D.	11%	12%	10%	12%	11%	11%	10%

Science Assessment

Item BF095004: Capillaries are found in body organs such as the brain, lungs, and intestines, and capillaries are also found inside external parts of the body such as arms, legs, hands, and feet.