Diagram of a Spiny Dogfish Shark
Organs of a shark
- The gallbladder stores bile that is produced from the liver.
- The heart pumps blood throughout the shark's entire body.
- The kidneys purify the blood that is in the shark's body.
- The liver stores fatty energy and contains oil the keeps a shark buoyant.
- The pancreas produces digestive enzymes that break down fat and carbs.
- The small intestines helps digest the food for nutrients.
- The large intestines aids in the digestion and nutrient gathering stage.
- The stomach starts to digest food.
- The esophagus moves food from the mouth to the stomach.
- The rectum stores feces right before it is disposed of.
- The claspers, only found in male sharks, aids in sexual reproduction of sharks.
- The lateral line is used to sense movement and vibration in the water.
- The gills allow the shark to breath underwater.
The life span of a Spiny Dogfish Shark is about 25-100 years.