Webb30 mars 2001 · The largest shark, the whale shark, can grow to more than 40 feet long. Highly active sharks tend to be torpedo-shaped, but many less active sharks are fairly … Sharks are cartilaginous fish. The skeleton of a shark is mainly made of cartilage. They belong to the class of Chondrichthyes. In particular, the endoskeletons are made of unmineralized hyaline cartilage which is more flexible and less dense than bone, thus making them expel less energy at high speeds. Each piece of … Visa mer Shark anatomy differs from that of bony fish in a variety of ways. Variation observed within shark anatomy is a potential result of speciation and habitat variation. Visa mer These evolved synapomorphies are crucial for the current sharks lifestyle, for example, the pharyngeal slit changed to become the jaw and gills. The dorsal nerve cord sends signals to the body like it has done before but now the dorsal nerve cord becomes the central … Visa mer Shark teeth are strong and made of enamel. Many sharks have 3 rows of teeth. These teeth are embedded in the gums, not the jaw. Sharks are born with teeth that are constantly being … Visa mer The stomach terminates at the pylorus, that leads to the duodenum, and then to the spiral valve. The spiral valve is a coiled organ, it increases … Visa mer The five chordate synapomorphies are present in chondrichthyes as follows. The five synapomorphies are pharyngeal slit, dorsal nerve cord, notochord, Endostyle, and the post-anal-tail … Visa mer Fins allow for the sharks to be able to guide and lift themselves. Most sharks have eight fins: a pair of pectoral fins, a pair of pelvic fins, two dorsal fins, an anal fin, and a caudal fin. Pectoral fins are stiff, which enables downward movement, lift and guidance. The … Visa mer The liver is a large and oily organ that comprises 25% of the total body weight of the shark. The two purposes of this organ in the shark are to store energy and oil. The liver is a hydrostatic organ. This organ helps with buoyancy since the liver stores oils, decreasing the … Visa mer
Shark Anatomy HowStuffWorks
Webbmuscular system diagram labeled and unlabeled for kids Muscular system diagram to label: Chest Muscles Shoulder Muscles Calf Muscles Strong Muscles Extensor Muscles Hamstring Muscles Abdominal Muscles Bicep Muscle … philip innes fraser
Internal anatomy - Fisheries and Oceans Canada
WebbShark trunk muscles + − Learn Test Match Created by casey_malburg Terms in this set (9) Levator palatoquadrati ... Cucullaris ... Myomeres ... Dorsal longitudinal bundle (epaxial muscles) ... Ventral longitudinal bundle (hypaxial muscles) ... Lateral longitudinal bundle (hypaxial muscles) ... Abductor/extensor ... Ventral Constrictors ... WebbShark trunk muscles + − Learn Test Match Created by casey_malburg Terms in this set (9) Levator palatoquadrati ... Cucullaris ... Myomeres ... Dorsal longitudinal bundle (epaxial … WebbInternal 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 … philipines visa for indians