Biology, 02.10.2019 06:00, perezsamantha3oqr0za
Most living things need oxygen to survive. you breathe in oxygen and it is carried to this organ. here the red blood cells pick up the oxygen and carry the oxygen to all the body cells that need it. what is this organ?
a) diaphragm
b) heart
c) lungs
d) trachea
Answers: 2
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Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters
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