bio gas exchange mc

2008-07-08 4:38 am

[隱藏]
Which of the following movements of the human body
is corresponding to the movement of rod Z indicated in the
diagram?
A Movement of the vertebral column
B Sliding movement of the pleural membranes
C Inward movement of the chest wall
D movement of air into the lungs

Which of th following statements about the ribs is correct?
A. All the ribs are made of bones only.
B All the ribs join the thoracic vertebrae and the sternum together
C the ribs in humans play an important part in the locomotion of the humans
D The ribs chiefly serve to help insipration and expiration of humans

what is the answer....and explain why...thank you

回答 (1)

Seedeeyee

2008-07-09 5:34 am

✔ 最佳答案

1. No diagram is given and only might-be relevant information is provided for your own choice.
Please refer:
http://en.wikipedia.org/wiki/Thoracic_diaphragm
2.
A. All the ribs are made of bones only. is correct.
In vertebrate anatomy, ribs (Latin costae) are the long curved bones which form the ribcage.
B., C. , and D. are not correct.
Please refer:
http://en.wikipedia.org/wiki/Rib_bone

Hope can help.

2008-07-08 21:35:29 補充：
For 1. D. movement of air into the lungs might be correct.

參考: wiki

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