Body orifice

A body orifice is an opening in the body of an animal. In a typical mammalian body such as the human body, the body orifices are:

• The nostrils, for breathing and the associated sense of smell.
• The eyes, for the sense of sight and crying.
• 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, also for ejaculation.
• In females, the vagina, for sexual intercourse, menstruation and childbirth.
• Orifices of nipples
• Orifices of sweat glands

Additional recommended knowledge

Don't let static charges disrupt your weighing accuracy

How to ensure accurate weighing results every day?

Daily Sensitivity Test

Other animals may have some other body orifices:

• cloaca, in birds, reptiles, amphibians, and some other animals
• siphon in mollusca, arthropods, and some other animals.

See also

• Mucosa
• Mucocutaneous boundary
• Meatus