★ The nervous system & brain Quiz
The two forms of reflexes are:
A. motor and sensory.
B. extensor and intensor.
C. monosynaptic and polysynaptic.
D. conscious and unconscious.
Select your answer:
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A. diaphragm
B. external intercostal muscles
C. lungs
D. sternum
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Match he nucleotide with its complementary nucleotide. (DNA to DNA).
Cytosine-
_
A. Thymine
B. Guanine
C. Adenine