Eye- Used for seeing.
Eyelid- Closes over the eye to protect it during attack.
Nostril- Used for smell.
Mouth- Used for eating.
Spiracle- It is the first gill slit and is used for breathing.
Gill Slits- Used for breathing.
lst Dorsal Fin- On the dorsal side closest to the head. Used for balance, swimming and a little bit of steering.
2nd Dorsal Fin- Same as the first dorsal fin.
Pectoral Fin- Used for direction and swimming.
Pelvic Fin- Used for stabilization.
Claspers- Only on male sharks and are used for sperm transfer during mating.
Caudal Fin- Used for movement from side to side.
Rostrum- Streamlines it and helps with speed.
Lateral Line- Used for detecting water movement.
Cloaca- It is the exit from the digestive track and is the opening for sex organs.
Dorsal Spines- Used for protection.
