BIOL 1002 Chapter : 4 21 16
Document Summary
Word bank: nervous muscular tendons ligaments red blood cells spongy. The skeletal system provides support, locomotion, and protection of the body. Locomotion is mainly aided by the __________________________ system via attachment of muscles to bones by ____________________________. Fragile organs, such as the heart and lungs, in addition to parts of the _____________________________ system, mainly the spinal cord and brain, are protected by hard, rigid connective tissue known as ______________. Another kind of connective tissue, ____________________________, is more prominent very early in life and is often replaced by bone, but is never replaced in the ears, trachea, and tip of the nose. Bone must constantly be remodeled to maintain a healthy state. ______________________________ help form new bone, ______________________________ help dissolve old or unneeded bone, and _______________________________ are mature bone cells that give bones their structure. Contrary to popular belief, bone is not all hard and rigid; this is just the outer coating which is also known as ___________________________ bone.
