As incorporated into the theory of quantum mechanics, this quantization of the energy of electrons and the resulting implications are regarded by physicists as part of the fundamental framework for understanding and describing nature.
An adult human has 206 bones. As compared to this a new born baby has about 270 bones. A baby is born with cartilage between some bones. This gives babies more flexible body structure, allows faster growth. As the baby grows, some groups of bones fuse together to form a single bone.
Hemophilia affects 1 in 5,000 male births in the U.S. and approximately 400 babies are born with hemophilia each year. 400,000 people worldwide are living with hemophilia and about 20,000 are living with it in the United States alone.