What are the two major divisions of the skeletal system? - ANSWER axial skeleton and appendicular skeleton The skull, spine, sternum, and ribs are part of what division of the skeletal system? - ANSWER Axial The girdles, arms, and legs are part of what division of the skeletal system? - ANSWER Appendicular The tympanic cavity is located in the... - ANSWER Ear What part of the skull contains the ossicles - ANSWER Tympanic Cavity These bones of the skull; frontal, ethmoidal, sphenoidal, and maxillary are called the... - ANSWER Paranasal Sinuses Another name for the spine is... - ANSWER Vertebral Column The vertebral column consists of how many regions? - ANSWER 5 regions The 5 regions of the spine are... - ANSWER 1. Cervical Vertebrae 2. Thoracic Vertebrae, 3. Lumbar Vertebrae, 4. Sacrum, 5. Coccyx The Cervical Vertebrae consists of how many bones? - ANSWER 7 The Thoracic Vertebrae consists of how many bones? - ANSWER 12 The Lumbar Vertebrae consists of how many bones? - ANSWER 5 The Sacrum consists of how many bones? - ANSWER 1 sacrum in the vertebral column ; consists of 5 bones The Coccyx consists of how many bones? - ANSWER 1 coccyx in the vertebral column ; consists of 4 bones. The special cartilage discs which helps protect each vertebrae are called... - ANSWER Intervertebral discs How many pairs of ribs are there - ANSWER 12 Ribs are connected to sternum by - ANSWER costal cartilage The ribs are connected to what part of the vertebral column? - ANSWER Thoracic What are the four regions of the sternum? - ANSWER 1. Manubrium 2. Body 3. Sternomanubrial joint 4. Xiphoid process Ribs 1-7 are called - ANSWER true ribs Ribs 8-10 are called - ANSWER false ribs Ribs 11 and 12 are called - ANSWER floating ribs What are the two Girdles of the appendicular skeleton that are responsible for attachment of the arms and legs? - ANSWER Pectoral and Pelvic Which bones make up the pectoral girdle? - ANSWER clavicle and scapula Is the sacrum part of the pelvic girdle or the vertebral column? - ANSWER Vertebral column What bones make up the pelvic girdle? - ANSWER ilium, ischium, pubis Where do you find long bones? - ANSWER In the appendicular skeleton / arms and legs Bone is a form of connective tissue, specifically ____________________ tissue ? - ANSWER Osseous tissue The process of bone formations is called - ANSWER Ossification The matrix of osseous tissue is made up of 3 main things: - ANSWER 1. Calcium 2. Phosphate 3. Collagen Osteo means? - ANSWER Bone What matures bone cells? - ANSWER osteocytes What build up bone? - ANSWER osteoblasts What breaks down bone? - ANSWER osteoclasts Where do we find bone marrow - ANSWER Inside the bones Red bone marrow makes - ANSWER red blood cells Red bone marrow in the ____________________ part of the bone. - ANSWER Epiphysis