This topic contains a solution. Click here to go to the answer

Author Question: What are the three classes of ribs?[br][br][b][color=black]Question 2[/color][/b][br][br]What are ... (Read 49 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
What are the three classes of ribs?

Question 2

What are the three major structures of respiration?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meltdown117

  • Sr. Member
  • ****
  • Posts: 326
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.





 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

For a complete list of videos, visit our video library