Shark Respiration would be an example of Hypothesis for goldfish respiration
The basic pattern of breathing is established by the DORSAL RESPIRATORY GROUP located in the MEDULLA OBLONGATA.
The heart, lungs, blood vessels, and blood
According to a source yes.
This is because the determination of the size of the boxes in the same locations in the map have identical and intertwining figures that makes its visibility the same. Direction, legend, title and diagram have these influences of the shaping of the map.
One reason is for safety! in case you get stranded in a body of water you can keep yourself afloat