3. Biological Psychology
The Endocrine System
Multiple Choice
Multiple ChoiceMelatonin and thyroxin are examples of
A
neurons.
B
glands.
C
hormones.
D
stem cells.
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Melatonin and thyroxin are examples of
neurons.
glands.
hormones.
stem cells.
03:41
![The Endocrine System [AP Psychology Unit 2 Topic 2] (2.2)](https://img.youtube.com/vi/dGod8sTP2Gc/mqdefault.jpg)
