Popular term in the State of Western Australia referring to teenagers, in particular, who wear ultra baggy/loose jeans with some of their underwear showing (why the hell we ask!?) and a t-shirt that's a bit too small. either that or an equally baggy jumper/sweater. The key thing is they skate. Generally loners too.
The gastrovascular cavity is a structure found in primitive animal phyla. It is responsible for both the digestion of food and the transport of nutrients throughout the body. The cavity has only one opening to the environment. Food goes in and waste comes out that same opening, making it a two-way digestive tract.rimitive animals have body plans that are very different from ours. Animals such as jellyfish, corals and flatworms have a much simpler way to handle the digestion of food, as well as the circulation of nutrients around the body. Learn about the structure and function of the gastrovascular cavity in these organisms.
Gastrovascular Cavity. Gastrovascular Cavity: As the name implies, this has a role in both the distribution of particles and nutrients to all areas of the body as well as having a role in digestion. Organisms that belong to 2 main phyla â the Platyhelminthes and the Cnidaria â have gastrovascular cavities. The cnidarians that are symmetrical have a body that is sac-like in 2 layers that are distinct â the epidermis and gastrodermis â with a jelly type layer called the mesoglea in between. Digestion that is extra cellular begins within the center cavity of the body that is sac-like.