For what resons do cells divide

Cells divide to replace old, dead, or damaged cells. Cells also divide so living things can grow.

Explanation:

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prism b but im not for sure

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.