What Is a Gastrovascular Cavity?
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.
By contrast, organisms that have a mouth on one end with an anus on the other end have a one-way digestive tract, called an alimentary canal. Food goes in the mouth, while waste comes out the anus.
True it is also the smallest passage in the human body
D. Ecstasy. MDMA is the pure form of ecstasy.
I can boost my motivation by changing my sleep habits and taking a walk everyday after school and I will try to do something positive so that I have motivation to do my homework
