Difference between nerve and nerve impulse???

Unsaturated fatty acids that have been changed to saturated fatty acids are called

What do transitional fossils best support?

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.