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A diagram of the circulation of the blood through the branchial leaflets in a fish. Labels: 1. A section of the branchial arch. 2, A section of a branchial artery. 3, An artery sent along the outer margin of the process after the respiratory change has been effected ad returns it to the branchial vein.

A Diagram of the Circulation of the Blood Through the Branchial Leaflets in a Fish

A diagram of the circulation of the blood through the branchial leaflets in a fish. Labels: 1. A section…

In breathing, the mouth and gills of a fish open alternately; the water entering the mouth escapes by the opening of the gills. Shown is a section of the bronchial arch of a cod, with a pair processes supporting leaflets or plates. Labels: 1. A section of the branchial arch. 2, A pair of processes. 3, Branchial leaflets or plates. The number of leaflets in one process of the cod is about one thousand; in the salmon fourteen hundred; in the sturgeon sixteen hundred.

Section of a Branchial Arch of a Cod

In breathing, the mouth and gills of a fish open alternately; the water entering the mouth escapes by…