Five ch2 groups bonded in a ring" describes the structure of

List charasteristics of athenosphere

All phases of matter may have a fixed mass

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.