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Hard Bones

appendages external body parts that stick out of the body, such as arms or legs.
ball-and-socket joints joints that fit together as a ball fits into a glove
bone marrow spongy material in the center of bones that creates blood cells
cartilage an elastic tissue found in humans and other vertebrates
fused joined together
hinge joints joints that open like a door
ligaments tissues that connect one bone to another bone
spinal cord a collection of nerves that are protected by vertebrae
sutures joints or seams between skull bones
swivel joints joints that can tilt or turn
tendons tough tissues that attach muscles to bones
vertebrates animals with backbones
Created by: teachmason