Rhinoplasty (nose job)
Circular
Picking the nose can lead to irritation and minor trauma to the delicate skin inside the nostrils, but it does not stretch the nostrils in a permanent way. Frequent or aggressive nose picking may cause temporary swelling or injury, but the nostrils generally maintain their shape over time. Maintaining good nasal hygiene is important to avoid complications.
no a change in shape is physical change
can solid change shape
The effector of the nose is the muscles that control the movement of the nostrils and the upper lip, allowing for actions like flaring the nostrils or wrinkling the nose. The effector muscles work in response to signals from the brain to adjust the position and shape of the nose.
Normal results include improved breathing and airflow through the nostrils, and an acceptable outward shape of the nose.
Changing the shape CAN change the density. If you change it into a smaller shape, then you increase the density. However the mass will not change.
A horse has two nostrils, one on each side of its nose.
Nostrils are narrowed in rhinoplasty through a surgical technique called alar base reduction, where the surgeon removes a wedge of tissue from the outer edges of the nostrils. This can involve excising skin and sometimes underlying cartilage to achieve a more refined appearance. The incision is typically made in the natural crease of the nostril to minimize visible scarring. After the tissue is removed, the nostrils are sutured to create a more elegant and proportionate shape.
They have two nostrils
The openings in your nose are the nostrils.
The platypus's nostrils are on its bill.