An animal with vertebrae made from either cartilage or bone is a vertebrate. Vertebrates can be mammals, fish, birds, reptiles or amphibians.Know More
Vertebrates all have a stiff vertebral column running down their bodies, and this column is made up of a series of discs and vertebrae to support the animal structurally and to lend it a certain amount of flexibility.
Scientists think that vertebrates first emerged during the Cambrian period, which was around 525 million years ago. The first known vertebrate is considered to be an animal known as Myllokunmingia, which had a skull and skeleton that was made up of cartilage.Learn more about Bones
The primary functions of the human teeth are obtaining, chewing and breaking down food. Teeth are also responsible for protecting the oral cavity and assisting in speech. They are composed of different parts that have unique functions in the chewing process.Full Answer >
According to IvyRose Holistic, the human skeleton supports soft tissues and muscles, protects internal organs from injury, assists in movement, stores minerals, produces blood cells and stores chemical energy. The rib cage is the part of the skeleton that protects the lungs and heart, while the vertebrae and cranium protect the spinal cord and the brain respectively. Phosphorus and calcium are the main minerals within the human skeleton.Full Answer >
The American Academy of Orthopedic Surgeons states that femoral fractures are the result of high-energy impacts to the femur. Motor vehicle accidents are the most common cause of fractured femurs. Being hit by a car, gunshot wounds and falls from heights are also typical causes.Full Answer >
The National Osteoporosis Foundation explains that people with osteoporosis often break bones in the upper spine, causing a hunchback. Changes in posture are called kyphosis, and some people who suffer from kyphosis suffer from constant pain, because the muscles, ligaments and tendons of the back become stretched and strained and the spine becomes more curved, according to The National Osteoporosis Foundation.Full Answer >