i think it helps open and close the gills on a fish
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don't be ridiculous; that's an immanence front.
a Google of "function isthmus," quotes included,
returns this Q! So you might provide more detail.
My roomie and I are arguing whether it is the part
of a graph in mathematics that would be...functional?
In female chickens, the isthmus is a section of the oviduct located between the infundibulum and the uterus. Its primary function is to facilitate the formation of the egg white, or albumen, around the developing yolk, which occurs after the yolk is released from the ovary. The isthmus also plays a role in shaping the egg and may contribute to the formation of the eggshell membrane before the egg moves into the uterus for shell deposition.
An Isthmus is a narrow strip of land that connects two larger bodies of land with water on both sides. The Isthmus of Panama, Isthmus of Corinth, Isthmus of Perekop, Isthmus of Gibraltar, Isthmus of Suez are all examples
The Isthmus of Panama connects South America with countries north of Panama. The Isthmus of Panama is located in Panama, which is part of Central America.
Isthmus of Panama, Central America - the isthmus joining North America and South America, Isthmus of Corinth - a narrow isthmus between the Gulf of Corinth and the, Isthmus of Kra - a narrow isthmus linking the Malay Peninsula to the Asian
The Isthmus Of Panama.
One of the most famous isthmuses is the Isthmus of Panama. Some other isthmuses are the Isthmus of Suez, the Isthmus of Kra, the Isthmus of Corinth... Check Wikipedia for more. :)
Isthmus of Panama
The Karelian Isthmus
isthmus Clark
isthmus of kra
Isthmus of Panama
Survey Isthmus