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 Webb12 apr. 2024 · The superficial back muscles include the trapezius, latissimus dorsi, levator scapulae, rhomboids and serratus posterior muscles . Let us introduce you to each of these muscles presented in our diagram. Trapezius The trapezius muscle consists of three parts; descending, transverse and ascending.

Label The Muscular System Worksheets

WebbThe skeletal system supports the soft tissues and organs of the fish (Fig. 4.50). The skeleton also protects organs and gives the body of the fish its basic shape. The many bones of the skull form a rigid box that protects the brain. Holes, hinges, and pockets in the skull allow room for the nostrils, mouth, and eyes. Webbinside the shark. From the cloaca make transverse cuts around the shark. From the pectoral girdle make transverse cut around dorsally. See Figure 5 for a diagram of dissection incisions. Pin the body wall flaps to the side that will expose the abdominal cavity. With the aid of Figure 6 identify the following organs: selling splatoon before spatoon 2

Shark Anatomy - Part 2 White Shark Projects

WebbWeb use this set of muscle diagram labelling worksheets to help your children learn some of the skeletal muscle groups of the human body. Source: www.pinterest.com. Web quick lesson and free printable/live worksheets on the muscular system for learners from kindergarten up. Web the muscular system labeled the muscular system labeled … WebbUse this interactive labelling activity of a shark to help your child find out more about this fish. This interactive science game gets children to drag and drop the labels onto the … WebbLabeled Pharyngeal Cavity. Examine the bottom view photographs of the shark's pharynx and heart by clicking the blue lettered links in the column to the right. The gill arches are … selling spoiled items fallout 76