Â· just now. Report Abuse. It takes a good 6-8 weeks for a break to heal properly. A compound fracture, spiral fracture or complete break would take closer to 8 weeks. A greenstick fracture could heal in as little as 4-6.eport Abuse. Most broken bones begin to heal within 48 hours however depending on the type and severity of the break it could take anywhere from 4 to 8 weeks to completely heal.
Science Main Index. Animals with an internal skeleton made of bone are called vertebrates. Vertebrates include fish, amphibians, reptiles, birds, mammals, primates, rodents and marsupials. Although vertebrates represent only a very small percentage of all animals, their size and mobility often allow them to dominate their environment.
Animals with exoskeletons have skeletons on the outside of their bodies. You can see exoskeletons. Turtles, ants, grasshoppers, and other insects have exoskeletons. Animals with skeletons inside their bodies have endoskeletons.Bony fish like the ocean sunfish and the Atlantic blue marlin have endoskeletons.he minerals in bones make them hard, but bones also contain tough fibers to make them strong. Crunchy on the Inside skullribs A skull protects the brain. Ribs form a cage around the heart and lungs. bone marrow compactbonespongybone 15e alive, and can Bones argrow and heal as needed, just like skin.