Ejaculation is ...A... response. Erection is a ...B... response. Here, A and B refers to

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2.Human Reproduction

normal

Ejaculation is the $...A...$ response. Erection is a $...B...$ response. Here, $A$ and $B$ refers to

$A-$parasympathetic, $B-$sympathetic

$A-$parasympathetic, $B-$parasympathetic

$A-$sympathetic, $B-$parasympathetic

$A-$sympathetic, $B-$sympathetic

Solution

Ejaculation is the sympathetic response while erection is a parasympathetic response. Sympathetic and parasympathetic both are the part of autonomic nervous system.

Somatic Nervous System	Automatic Nervous System
Conscious or voluntary regulation. Fibres do not synapse after they leave the $CNS$ (single neuron from $CNS$ to effector organ) Innervates skeletal muscle fibres, always stimulatory	Functions without conscious awareness (involuntary). Fibres synapse once at a ganglion after they leave the $CNS$ (two neuron chain motor control. Innervates smooth muscle, cardiac muscle and glands either stimulates or inhibits