Match each part of sammi's model to the bodily structure it represents. one bodily structure has already been labeled for you.

structures:
digestive tract, villi, heart, and blood vessels.

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.