AnswersQ5 Biology 2014The Endocrine and Exocrine Systems — Unit testQuestion 21
21
QuizMultiple Choice

The Endocrine and Exocrine Systems — Unit test

Question 21 • Q5 Biology 2014

Which structure is at work when the body deals with reflex actions?

Answer
A
the heart
B
the brain stem
C
the vertebral column
D
the spinal cord
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