The abdominal cavity is lined by peritoneum. It is a membrane that covers the inner layer of the cavity and also the organs inside. The membrane on the inner wall is parietal Thperitonium and the membrane that lines the organ is called visceral peritoneum. This helps in fixation and support of abdominal organs.
The nucleus is in the middle of a cell
and it controls the different part of the cell
Hydra have the ability not age or die of old page
<span>When the Krebs cycle will not produce the energy needed</span>
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