Blowholes

Alofaaga Blowholes
... The Alofaaga Blowholes, also known as the Taga Blowholes, are a natural feature located in the district of Palauli, south west of Salelologa wharf on the ... The entrance to the blowholes is in the village of Taga ... the village charges a small admission for entry to view the blowholes ...

Cetacea - Respiration
... During diving, a muscular action closes the blowholes (nostrils), which remain closed until the cetacean comes to the surface when it surfaces, the muscles open the blowholes and warm air is exhaled ... Cetaceans' blowholes have evolved to a position at the top of the head, simplifying breathing in sometimes rough seas ...

Blowhole (geology)
... In geology, a blowhole is formed as sea caves grow landwards and upwards into vertical shafts and expose themselves towards the surface, which can result in blasts of ... A blowhole is also the name of a rare geologic feature in which air is blown through a small hole at the surface due to pressure differences between a closed underground system and the surface ... The blowholes of Wupatki National Monument are an example of such a phenomenon ...