Deep (internal) {Ans: away from the body surface; more internal.Ex: the lungs are deep to the skin.}The Skeletal System Functions {Ans: Support, Protection, Movement, Mineral storage, Blood cell formation (red marrow), Triglyceride storage (fats are stored in yellow marrow)}Eye Ball {Ans: -Hollow sphere filled with fluids (humors) -Has anterior and posterior poles -Walls have 3 layers (tunicas) -Lens divides sphere into anterior and posterior cavities}Eyelash {Ans: Trigger blink reflex}Rods {Ans: -Use rhodopsin -Makes retinal sensitive in low light -Absorbs all parts of spectrum -Ends up grayed}Deltoid {Ans: }