Internal anatomy of a shark: large,
long and very powerful selachian fish. It is viviparous.
Parietal muscles: set of muscles of the side of the head.
Vertebra: each of the bones forming the spinal column.
Neural arch: arched part of a vertebra related to the nervous
Body: main part of a vertebra.
Dorsal fin: locomotive limb on the back of a shark.
Anterior intestine: part of the digestive tract just after the
Stomach: part of the digestive tract of a shark between the front
and rear parts of the intestine.
Kidney: blood-purifying organ.
Spinal cord: part of the nervous system contained in the spinal
Cord: outlined part of the spinal column.
Caudal fin: locomotive limb at the end of a shark.
Cloaca: opening shared by the genital organs, the urinary and
Pelvic fin: locomotive limb situated beneath the pelvic girdle
of a shark.
Posterior intestine: part of the digestive tract just after the
Liver: bile-producing digestive gland.
Pectoral fin: locomotive limb on the chest of a shark.
Heart: blood-pumping organ copyright bernard dery infovisual.info.
Ventral aorta: blood vessel in the abdomen that carries blood
from the heart to other organs.
Inner spiracle openings: fissure containing the viscera.
Mouth: entrance to the digestive tract.
Pharynx: intersection of the respiratory and digestive tracts
of a shark.
Encephalon: seat of the mental capacities of a shark.
Skull: bony case of the brain.