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They are perpendicular lines that intersect at right angles or 90 degrees
No. A circle has no corners and a square has four corners. There is no object that has no corners and four corners.
A parallelogram has 2 pairs of parallel sides, and provided that it isn't a square, it has no square corners. If necessary, you could call it an "oblique parallelogram" to indicate that it isn't square.
a heptagon has 7 corners and a octagon has 8 corners .
platysma by kR
Lesions at the corners of the mouth are an indication of riboflavin deficiency (vitamin B2).
A smile typically represents happiness or positivity, with the corners of the mouth turned up. A frown, on the other hand, indicates sadness or displeasure, with the corners of the mouth turned down. The facial muscles involved in creating these expressions are different, leading to distinct emotional meanings.
I have been prescribed Chloromycetin to relieve cracks on the mouth corners.
They have scent glands in the corners of their mouth and on their paw pads.
urrr I think thats cancer
Rabies
You call it... An external mouth guard.
The mouth
A mouth.
A mouth.
The zygomaticus muscle is responsible for elevating the corners of the mouth and lips.