Fill in the Blanks Skeletal system oneOnline version Unit two & lab by Kirsten Storemski 1 cartilage body red calcium flexible support central hematopoiesis movement lungs last yellow heart Bone white kidneys protection system rigid nervous Calcium red tendons Fat The skeletal system has a function of support of the body . is much harder than which functioned for . Allows for movement of the body . The skeletal or striated muscles of the body attach to bone by . Contraction of muscles will move bone and allow for . The skeletal system also aids in . It surrounds the . The sternum and ribs protect the and . The inferior ribs protect the . The skeletal system also aids in storage . is pulled from the bone matrix if levels are too low in body fluid . It allows for the maintenance of constant calcium levels . The skeletal system is one of the important homeostatic mechanisms . storage is contained in the marrow cavity , often called the marrow . Fat is utilized during low energy input and high energy output . This type of fat is to be utilized . The skeletal system also is responsible for . The production of and blood cells , and platelets . This occurs in bone marrow .