1-23.  The  appendicular  skeleton  is compossed of the bones of the 1. skull and vertebral column 2. thorax  and  vertebral  column 3. pelvis  and  thorax 4. arms and legs 1-24.  Bones  of  the  cranium  include  the 1-25. 1-26. 1-27. 1-28. 1-29. 1. maxilla 2. occipital 3. atlas and axis 4. foramen  magnum The vertebral column consistm of the cervical, thoracic, and lumbar vertebrae, the sacrum, and  the  coccyx.  Respectively, how many bones me in the cervical, thoracic, and lumbar regions? 1. 2, 5, 12 2. 2, 12, 5 3. 5, 12, 7 4. 5, 12, 7 The upper three ribs on each side are  known  as  ____________  ribs 1. true 2. false 3. floating 4. sternal A fracture of the humerus is frequently  located  at  the 1. head 2. acetabulum 3. surgical  neck 4. lesser  tuberosity The Innominate bone is composed of three parts that are united in adults to form a cuplike structure  called  the 1. glenoid    fosaa, 2. acetabulum 3. symphysis  pubis 4. obturator   foramen The prominences easily felt on the inner and  outer aspects of the  ankle  are  called 1. medial  and  lateral  malleolus 2. medial and lateral condylez 3. greater  and  lesser tuberosities 4. greater  and  lesser trochanters 1-30.  Bones  that  develop  within  a 1-31. 1-32. 1-33. 1-34. 1-35. 1-36. tendon are known as ____ bones. 1. condyloid 2. sesamoid 3. vermiform 4. falsiform Moving an extremity away from the body is called 1. flexion 2. extension 3. abduction 4. adduction The act of straightening a limb is known as 1. flexion 2. extension 3. abduction 4. adduction The primary functions of the muscles include all of the following  EXCEPT 1. providing  heat  during activity 2. maintaining body posture 3. producing red blood cells 4. providing movement The ability of muscles to regain their original form when stretched is known as 1. contractibility 2. elasticity 3. extensibility 4. tonicity Actin and myosin are the two protein substances involved in 1. muscles recovery 2. muscles nourishment 3. muscle contraction 4. rigor  mortis The ability of muscles to respond to a stimulus is known as the property of 1. contractibility 2. Irritability 3. extensibility 4. tonicity 3