Select the correct statement about male sexual response.
A) Sympathetic impulses are responsible for causing penile arteriolar dilation, resulting in erection.
B) Erection is the result of vascular spaces in the erectile tissues filling with blood.
C) Expansion of the penile tissues results in dilation of the venous outflow.
D) Ejaculation is the result of parasympathetic stimulation.
B) Erection is the result of vascular spaces in the erectile tissues filling with blood.
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