Answer:
Within the bone marrow, all blood cells originate from a single type of unspecialized cell called a stem cell. When a stem cell divides, it first becomes an immature red blood cell, white blood cell, or platelet-producing cell.
Explanation:
I am not sure if this helps you....
Answer:
according to the climate person health changes, dress form changes and eating also changes
Answer:begins without any further replication of the chromosomes. the nuclear envelope breaks down and the spindle apparatus forms
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Answer:
Limestome
Explanation:
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