
Fin
Animal Movement
 Refers to the body part fish use for propulsion and steering in water. 
Sharks have strong fins for quick swimming.
 Not Human Limbs
 Understand that 'fin' is not used for human body parts, but for aquatic animals. 
A dolphin's fin can be seen above water when it swims near the surface.
 Types of Fins
 Distinguish between 'dorsal fin' (top), 'pectoral fins' (sides), and others. 
The dorsal fin helps the fish balance in the water.