2 Cervical by the presence of s/132018 The major function(s) of the thoracic cag

Question

2 Cervical by the presence of s/132018 The major function(s) of the thoracic cage is (are) 15.Which of the following organs ies a to help expand the thoracic cavity during protect the lungs posterior to the stemum? b. breathing c to aid in digestion d. both a and b a Heart b. Brain c Spinal cord d Lver 16. Which of the following bones is not part of the appendicular skeleton? 17 Which of these bones would bear a ring? a. Clavicle b. Scapula c. Sternum d. llium a. Phalanx b. Metacarpal c Carpal d. Tarsal

Explanation / Answer

12. A. Transverse foramina

This is an opening on the transverse process of cervical vertebrae. Vertebral artery and vein and sympathetic nerve pluxus passes through this foramina.

13.B Thoracic vertebrae

Ribs are attatched posteriorly to thoracic vertebrae and anteriorly to sternum

14.D both a and b

The human ribcage is a part of respiratory system. When the external intercostal muscle contract and lift the rib, the upper ribs is able to push the sternum up and out. This increases the diameter of thoracic cavity. The thoracic cage protect lungs and heart.

15.A Heart

The heart is located directly posterio to sternum. The sternum protect heart and major blood vessels

16.C Sternum

Sternum is a part of axial skeleton.

17.A phalanx

Phalanx bear ring

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