Question

complete the following statements:

1. the two divisions of the skeleton are the ______________ skeleton and the appendicular skeleton.
2. the extra bones that sometimes develop between the flat bones of the skull are called ______________ bones.
3. the cranium and facial bones compose the ______________
4. the ______________ bone supports the tongue.
5. the ______________ at the inferior end of the sacrum is composed of four fused vertebrae.
6. most ribs are attached anteriorly to the ______________
7. the thoracic cage is composed of ______________ pairs of ribs.
8. the scapulae and clavicles together form the ______________ girdle.
9. the humerus, radius, and ______________ articulate to form the elbow joint.
10. the wrist is composed of eight bones called ______________
11. the hip bones are attached posteriorly to the ______________
12. the ______________ covers the anterior surface of the knee.
13. the bones that articulate with the distal ends of the tibia and fibula are called ______________
14. all finger and toe bones are called ______________

Explanation:

1. The two main divisions of the skeleton are the axial and appendicular skeletons. The axial skeleton forms the central axis of the body.
2. Sutural bones are the extra - bones that develop between the flat bones of the skull.
3. The cranium and facial bones together make up the skull.
4. The hyoid bone supports the tongue and is unique as it does not articulate with any other bone directly.
5. The coccyx at the inferior end of the sacrum is composed of four fused vertebrae.
6. Most ribs are attached anteriorly to the sternum.
7. The thoracic cage is composed of 12 pairs of ribs.
8. The scapulae and clavicles form the pectoral girdle.
9. The humerus, radius, and ulna articulate to form the elbow joint.
10. The wrist is composed of eight carpal bones.
11. The hip bones are attached posteriorly to the sacrum.
12. The patella covers the anterior surface of the knee.
13. The bones that articulate with the distal ends of the tibia and fibula are the tarsal bones.
14. All finger and toe bones are called phalanges.

Answer:

1. axial
2. sutural
3. skull
4. hyoid
5. coccyx
6. sternum
7. 12
8. pectoral
9. ulna
10. carpals
11. sacrum
12. patella
13. tarsals
14. phalanges