The greatest number of nerve endings in the penis is concentrated in the ___________

Many neurons release neuropeptides mostly from the ____

a. vesicles b. nodes c. axons d. dendrites

Larry's house has caught fire, and he is trapped inside. The neighbors called 911. Two firefighters and one of the neighbors (an accountant) entered the house in an attempt to save Larry. Another neighbor tore away the screening around Larry's porch so that his dog could run to safety. The neighbor who entered the burning house was performing a ________________.

A. moral imperative duty B. supererogatory action C. professional duty D. discretionary duty