Fishy
Cameron and Mady
Swim Bladder
A swim bladder is a gas-filled sac present in the body of many bony fishes, used to maintain and control buoyancy.
EYES
Fish eyes are similar to terrestrial vertebrates like birds and mammals, but have a more spherical lens. Some fish can see ultraviolet and some are sensitive to polarized light.
Breathe
Gills are feathery organs full of blood vessels. A fish breathes by taking water into its mouth and forcing it out through the gill passages. As water passes over the thin walls of the gills, dissolved oxygen moves into the blood and travels to the fish's cells.
Lateral Line
A lateral line is a visible line along the side of a fish consisting of a series of sense organs that detect pressure and vibration.
SWIMMY SWIM
Fish swim by flexing their bodies and tail back and forth. Fish stretch or expand their muscles on one side of their body, while relaxing the muscles on the other side. This motion moves them forward through the water. Fish use their back fin, called the caudal fin, to help push them through the water.
Organs
The difference between fishes and humans anatomy are:
-swim bladder
-fishes have smaller brains
-stomach shape
-intestines shape
-fishes have gills
-fishes have four chambers of heart
-Fishes have an "S" shaped heart
-different teeth shape
-skin layer
Sleep
Fish sleep any time of the day. However, they sleep with their eyes open, because they do not have eyelids. They have to keep moving while sleeping to get a constant flow of oxygen through their gills. Certain fishes go to sleep in certain spots to stay away from predators.
COMMUNICATION
Most fish communicate with body language while others communicate by making noises. How they communicate by body language is they flare out gills.