No... they have bones just like humans do - except that the bones are much larger.
A shark's skeleton is made up of cartilage.
Carcharodon Megalodon. Only the teeth are fossilized, due to the fact that its skeleton was probably made out of cartilage.
Yes, the skeletal system is primarily made up of bones, but it also includes other structures like cartilage and ligaments. Cartilage provides cushioning between bones and helps with movement, while ligaments connect bones together at joints to provide stability and support.
It provides structure, support, and helps with movement.An endoskeleton is usually made of cartilage and bone, but some endoskeletons, such as those of sharks, contain only cartilage.Bones are made of calcium carbonate, which is why consuming the nutrient calcium gives people strong bones.
Sharks are a type of fish that have no bones, only cartilage. Some parts of their skeleton, like their vertebrae, are calcified. Cartilage, a strong fibrous substance, is softer than bone; our nose and ears are made of cartilage. Sharks belong to the group of fishes called Elasmobranchii, which also includes the rays, skates, and ratfish. The Elasmobranchii are all fish that have no bones, only cartilage.
Sharks belong to the Chondrichthyes class which means that they lack what is called "true bone". Their "skeleton" is made up of cartilage, which is the same as the human ear, so they do not have an actual skeleton.
No, fibrocartilage is not the only type used in creating the embryonic skeleton. The embryonic skeleton primarily consists of hyaline cartilage, which serves as a precursor to bone in endochondral ossification. Fibrocartilage may play a role in specific areas, such as intervertebral discs, but it is not the main component of the embryonic skeleton.
yes, but not the same kind as you are used to. Sharks (or dogfish) have cartilagenous skeletons rather than skeletons of bone.
bony; the only cartilaginous fish currently in existence are sharks, skates, and rays.
flatworms
How were you made? Horses are made the same way only in a mommy horses belly!
How were you made? Horses are made the same way only in a mommy horses belly!