The counter shading provides camouflage for the frog and keeps the prey from being able to see it easily. It is also able to blend in with the surroundings.
nemo from finding nemo, nemo from finding nemo,
it helps it balance
The heart in a frog pumps oxygenated blood to the body tissues and deoxygenated blood to the lungs for oxygenation. It has three chambers - two atria and one ventricle - which help separate oxygenated and deoxygenated blood to some extent.
A grass frog is typically green or brown in color to help it blend in with its surroundings. This camouflage helps protect the frog from predators in its natural habitat.
A frog's chromatophore is a specialized cell that contains pigment granules which allow the frog to change its skin color to match its surroundings and help with camouflage. These cells are controlled by the frog's nervous system and can expand or contract to alter the color and pattern of the frog's skin.