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Anonymous
Hyaline cartilage is the forerunner of long bones in the embryo.
Chaz Stroman ∙
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each of these organs is made of tissues composed of different kind of specialized cells
Well bones in an embryo aren't really there yet until the embryo becomes multi cellular and more of a child. Even when the embryo becomes more complex the bones are still just cartilage the same material that makes up your nose. Over time a bone cell called osteoblast applies both calcium and phosphate thus the bones become more dense hope i answered your question
Seeds have various layers, consisting of a skin or shell of some kind on the outside, then layers of nutrient, and the embryo at the middle.
Human bones.
tissues
Dinosaur bones.
the bones in your legs and arms
They are like small balls. Literally.