04:23Anal Canal | Sphincters | Introduction | Anatomy
04:08Photo Credit: https://sexinfo101.com/nnAnal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual
11:50After watching this video you will be able to:
Define and describe the internal features of the anal canal: pectinate line, anal columns, valves and sinuses.
Describe the ana
