They are spherical, besides the small bumps, and slight indents along the black lines
it is perfectly round.
basektball
yes
Yes
yes
pooey in the looey
Is a circle.
A sphere.
A circle or a sphere
Nobody's head is perfectly round. It is a free-form shape. Everybody's is a different shape.
A perfectly round stainless steel ball, a number of which in a round casing are a 'bearing'.
A cone, a section of a sphere.