Hubs 191 - module 1 latest update already graded A

Hubs 191 - module 1 latest update already graded A Feedback Response to a change in the homeostatic set point Feedforward Anticipation response to change in homeostatic set point Compact Bones Strong bones, good at transmitting force in one direction Cancellous Bone Light and spongy bone, shock absorbing, resists and channels forces that come from multiple directions Pectoral Girdle Clavicle - stabilising strut Scapula - free moving, muscle attachments Pelvic Girdle Lots of weight bearing extracellular components organic inorganic organic bone matrix -collagen -proteoglycans inorganic bone matrix hydroxyapatite other calcium minerals Cellular bone matrix Osteogenic Osteoblasts Osteocytes Osteoclasts Compact (structure of bones) Macroscopically -Dense impenetrable outer surface - Foramina/holes for blood supply Compact (structure of bones) Microscopically Made up of circumferential lamallae and units called osteons Cancellous - Trabeculae - struts of lamella bone - marrow fills space between trabeculae - Osteocytes housed in lacuna in between l