Body orifice

In a typical mammalianbody such as the human body, the body orifices are:

• the nostrils, for breathingand the associated sense of smell
• the eyes, for cryingand the sense of sight
• the mouth, for eating, breathing and vocalizations such as speech
• the ear canals, for the sense of hearing
• the anus, for defecation
• the urethra, for urination(and in males, for ejaculation)
• in females, the vagina, for sexual intercourse, menstruationand childbirth

In other organisms with different body plans, there are other body orifices, such as the cloacain reptiles, and the siphonin cephalopods.

See also: Mucosa, Mucocutaneous boundary, meatus

This article is licensed under the GNU Free Documentation License.
It uses material from the http://en.wikipedia.org/wiki/Body+orifice Wikipedia article Body orifice.