Nicotine, the highly addictive plant toxin, activates nicotinic receptors in the peripheral nervous system. This means it will .

A. facilitate synaptic transmission only at parasympathetic ganglionic synapses
B. facilitate synaptic transmission at all autonomic ganglionic synapses
C. inhibit synaptic transmission at all autonomic synapses
D. inhibit synaptic transmission at all autonomic ganglionic synapses.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

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