SCIENCE
SKELETAL SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Most adults suffer from bone loss
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Teenagers also have more bones than adults
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Babies shed some of their bones as they grow
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Some of babies’ bones fuse together as they grow
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Detailed explanation-1: -Babies have more bones than adults because as they grow up, some of the bones fuse together to form one bone. This is because babies have more cartilage than bone.
Detailed explanation-2: -An adult has 206 bones, but newborns have around 300 bones in their body. It is so because babies have more flexible cartilage in the body. While a child grows, most of the cartilage hardens and gets converted to bone.
Detailed explanation-3: -They are born unfused to allow for continued growth, and they also serve to reduce injury when a baby falls down. For example, babies are born with kneecaps that are mostly just cartilage pieces and do not become one fully formed bone until the age of three.
Detailed explanation-4: -This is because a baby’s bones aren’t fully formed and are joined together with a tough but flexible tissue called cartilage, which helps protect the baby, and the mother, during birth. As a child grows, the cartilage hardens and turns to bone, fusing the parts together-a process known as ossification.
Detailed explanation-5: -During adulthood (about 18–25 years) the occipital bone and the sphenoid bone fuse into a single unit. The frontal bone at birth consists of two halves separated by the metopic suture.