That hole is called a sweat pore. Use the link below to learn more.
A pore is a tiny opening in an organism or in tissue that allows microscopic particles, liquids, etc. through. There are many pores in human skin.
tiny holes in the skin are called pores
The outer layer of the skin, the epidermis, consists mainly of cells called keratinocytes.
There are no bones 'in' your skin.
It is a tiny tiny flap of skin, kinda towards the top of the opening of the vagina. It breaks or snaps the first time a girl has sex, and may cause bleeding. although its not a sure sign of virginity, because it may snap in vigorous excercise or movement in many girls.
They have tiny scales.
stoma
a cut a cut
An abrasion is the medical term meaning scrape of the skin in which tiny blood vessels in the epidermis or outer layer of the skin break.
any kind of cut or opening in the skin that shouldn't be there
That is called the injection port.