Question

What body structure protects the lungs from outside harm?

Answer 1

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There are two lungs inside our body. They are filled with air, spongy found in both sides of the chest. They help in the process of respiration and exchange of gases.

Being delicate and made up of smooth muscles, they are protected by several layers or other organs like:

• Pleural membrane / Pleura
• Intercoastal muscles
• Ribs / Ribcage (Imp.)
• Skin

These protects the lungs from outside harm. The Lungs is the primary organ for the respiratory system which also consists of nasal passage, Trachea, Bronchi, Bronchioles and Alveoli.

Apart from respiration, it can also act as an excretory organ because it expels Carbon dioxide out of the body. Biologically, They are known as Pulmones.

Answer 2

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What body structure protects the lungs from outside harm?

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The lungs are protected by a strong cage of bones on both sides of the body. This is the rib cage which supports the shoulder girdle to form the core of the human skeleton. One thing about the ribs, unlike other bones of the body, is that when one or more is fractured, they can't be set in hospital. they have to repair naturally over time, and this is painful.

Each rib is curved and they become more open as they get to the bottom of the cage. They are designed to keep outside impact from the lungs. The rib cage is shaped in a cone shape and it is more flexible than most sets of bones. It, is made up of the thoracic vertebra, 12 equally paired ribs, costal cartilage, and all of this is held together at the back by the sternum.

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