Unit Test — Unit test Answers
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The picture represents the respiratory system.
A
the pharynxB
the larynxC
the tracheaD
the bronchus22
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The hairs on Xander’s arms just started lying flat against his skin. Which is most likely his internal body temperature?
A
35°C, or 95°FB
47°C, or 114.8°FC
36°C, or 96.8°FD
38°C, or 100.4°F23
Which component of blood allows oxygen from the air to move from the lungs to cells of the body?
A
white blood cellsB
plateletsC
plasmaD
red blood cells24
Kristen is running a half marathon. By her tenth minute of running, her breathing rate has increased from her resting rate.Which statement best describes how her tissues are responding to her running?
A
They need more oxygen to function, so gas exchange needs to decrease.B
They need more oxygen to function, so gas exchange needs to increase.C
They need more carbon dioxide to function, so gas exchange needs to increase.D
They need more carbon dioxide to function, so gas exchange needs to decrease.25
Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?
A
arteriesB
atriaC
capillariesD
veinsDid you find these answers helpful?
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