The primary function of the conus arteriosus is to prevent the backflow of blood and keep a steady flow of blood into the ventral aorta and the gills. The lower jaw in a frog helps in opening and closing of mouth which is necessary to catch and to holding a prey.
<span>The primary function of the conus arteriosus is to prevent the backflow of blood and keep a steady flow of blood into the ventral aorta and the gills.</span>
