Answer:
Having a true coelom as a body cavity.
Explanation:
Coelomate contain tissues derived from mesoderm, whereas pseudocoelomates have no such tissue. have a gut that lacks suspension within the body cavity, whereas pseudocoelomates have mesenteries that hold the digestive system in place. Have a body cavity completely lined by mesodermal tissue, whereas pseudocoelomates do not.
The basic needs of all cells in the body is to have food, oxygen, and have their wastes taken away.
The part of the fibula that is found near the Knee joint is the head
I would say Satellites. Satellites are the only thing here I see can measure things globally, the rest is more regional.