5 differences between gastrovascular cavity and alimentary canal.

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. A gastrovascular cavity (left) has only one opening, while an alimentary canal (right) has two.

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Explanation:

i think its y= -4x-14

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.