"skin cells perform very different functions compared to brain cells. on the molecular level, what makes skin cells different from brain cells in the same organism? "

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.