An Introduction to the Endocrine System
An Introduction to the Endocrine System
An Introduction to the Endocrine System
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Communication by <strong>the</strong> Nervous<br />
and <strong>Endocrine</strong> <strong>System</strong>s<br />
Neurotransmitter<br />
Nerve impulse<br />
(a) Nervous system<br />
Neuron<br />
Target cells<br />
<strong>Endocrine</strong><br />
cells<br />
Target cells<br />
(b) <strong>Endocrine</strong> system<br />
Hormone in<br />
bloodstream