The head begins to take shape in the ______ week after conception

Libby's physician refers her to a medical center in order to have the biochemical activity in her brain analyzed

She is given an injection of a radioactive substance and then is told to lie down with her head in a scanner. The technique being used is __________ a) positron-emission tomography. b) functional magnetic resonance imaging. c) microelectrode recording. d) an electroencephalogram.

The focus on the size of a man's penis is a recent Western phenomenon

Indicate whether the statement is true or false