APHY 101- Skeletal System Questions
and Correct Answers/ Latest Update /
Already Graded
Cranium
Ans: skull
axial skeleton
Ans: Portion of the skeletal system that consists of the skull, rib cage, and
vertebral column
appendicular skeleton
Ans: The portion of the skeleton that attaches to the axial skeleton and
has the limbs attached to it
Vertebrae
Ans: 26 small bones that make up your backbone
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cervical vertebrae
Ans: C1-C7, found in the neck
thoracic vertebrae
Ans: the second set of 12 vertebrae; form the outward curve of the spine
and are known as T1 through T12
lumbar vertebrae
Ans: L1-L5, third set of five larger vertebrae, which forms the inward curve
of the spine
Sacrum
Ans: bone formed from five vertebrae fused together near the base of
the spinal column
Coccyx
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Ans: four vertebrae fused together to form the tailbone
Ribs
Ans: The bones in the chest that protect the heart and lungs.
true ribs
Ans: first 7 pairs of ribs; attach directly to sternum (pairs 1-7) by means of
individual externsions of costal cartilage.
false ribs
Ans: last 5 pairs of ribs; attach indirectly to sternum or do not attach at all
Floating Ribs
Ans: Ribs 11 and 12 that do not connect to the sternum at all.
Sternum