In humans, the spine is made up of ________ vertebrae, and there are ________ pairs of ribs.

A. 25; 12
B. 20; 15
C. 26; 12
D. 16; 16
E. 27; 14


Answer: C

Biology & Microbiology

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What will be an ideal response?

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An increased heart rate caused by the release of adrenaline from the adrenal glands is an example of _______________________________

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