what enables the ear pinna to be folded and twisted while the nose tip can't be twisted
Answers
Answer:
Explanation:
As there is no bone in the tip of the nose and external part of the ear, it can be bent easily.
Elastic cartilage is present in the nose, at the tip and around the nostrils, and in the external ears , for the same reason.
However, the elastic cartilage allows them to return to their original configuration without permanent distortions.
Ear pinna and Nose tip:
The bone in ear and nose are responsible for difference in appearance and strength of these parts. The ear and nose are delicate parts of humans which has many soft and delicate bones in them.
The bone in the ear is ridged cartilage bone which makes tragus, lobule, and helix which are covered by thin skin. This bones are twisted to make the sound travel with resistance which helps the sound receptor to receive the correct amount of sound and audio clearly.
The bone in the nose tip is septal nasal cartilage bone which is stronger in the corner than its middle parts. This bone is connected with other bone of the nose to form the correct shape of the nose. The path of the nasal is long with the system to filter the breathing air.
To learn more:
Function of pinna or outer ear?
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The cartilage with present in ear pinna is also found in (1) Tip of nose (2) Nasal septum (3) sternal part of ribs (4) inter vertebral disc
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