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there are 275 bones in a baby
Babies have 275 bones
Babies can have up to 300-350 bones in their body after birth.
300
Horses, babies or adults, have 205 bones in their bodies.
23 bones
A baby has more number of bones as in the growing process many bones fuse together and form a large bone thus a baby have more bones. An excellent example is the soft-spot on a baby's head. The skull is not fully formed when a baby is born to enable the head to pass through the birth canal, as they get older the bones will grow together.
Babies are born with around 270 bones, but some of these bones fuse together as the baby grows, so the average adult ends up with 206 bones.
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because as you grow up bones fuse together and become stronger
the calvarium of the adult scull is fused, in the fetus the bones making up the skull are not fused (not joined together), also the're actually quiet a lot of space around the bones - called fontanelles or "soft spots" on a baby's head that you can feel on the back of the head in many babies until 6-9 months or so and on the front of many babies until 15-18 months or so.