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Author Question: What are the three classes of ribs?[br][br][b][color=black]Question 2[/color][/b][br][br]What are ... (Read 40 times)

Deast7027

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on: Jul 4, 2018
What are the three classes of ribs?

Question 2

What are the three major structures of respiration?


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meltdown117

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Reply #1 on: Jul 4, 2018
Answer to Question 1

1. True (vertebrosternal) ribs, which include the upper ribs (1-7), all of which are directly attached to the sternum.

2. False (vertebrochondral) ribs, which include ribs 8, 9, and 10, and are attached to the sternum through cartilage.

3. Floating (vertebral) ribs (ribs 11 and 12), which articulate only with the vertebral column.

Answer to Question 2

The three major structures of respiration are:

1. Bony thorax, which contains the vertebrae, vertebral column, ribs, pectoral girdle, sternum, and pelvic girdle.

2. Visceral thorax, which contains the respiratory passageway, lungs, and the mediastinum.

3. Muscles of respiration, which contain the diaphragm, accessory muscles of inspiration, accessory muscles of expiration, and muscles of postural control.


Deast7027

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Reply #2 on: Jul 4, 2018
Thank you :)


meltdown117

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Reply #3 on: Jul 4, 2018
Happy to help you


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