It has the proper muscles to com-bust the blood long enough for the oxygen to flow through the whole body and cleanse poor blood
Answer:
i'm confused...how are we supposed to help you without an actual question present
Explanation:
**if you tell me what your question is i you have my word and i'll go back and provide an actual answer**
<span>After a fetus has developed for three months, what is its skeleton made of :
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<span>The bones will be formed from the centers of ossification, cartilage will gradually be replaced by bone. during this time, ossification of the spine <span>continues.
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