In prokaryotic and eukaryotic cells the amount of water in the cell is kept at a steady state. the organelles through which water passes into and out of cell is the

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.