atresia
This is a condition where there is a lack of mineral that is needed for normal metabolism and nutrition. The body needs normal amount of minerals for the body to function at its best.
A normal aortic valve (AV) opening is at least 2 cm.
A lack of normal blood supply to a organ or body part because of blockages or constriction of the blood vessels.
Scar tissue differs from normal body tissues in that it lacks hair follicles and melanocytes which produce pigment.
In the human body there is no "opening" that stores food.
Why are you looking for an opening?
It's normal. It's because your body's lack of sleep makes you not function so well.
Normal flora is present throughout the body and on all areas of the skin. Every body orifice (opening) contains normal flora: the mouth, ears, vagina, and rectum. E-Coli exists in the intestines. The skin contains a variety of flora that can turn into pathogens under the right conditions.
the anus is the opening through which feces leave the body
no won has an opening
They would lack normal eating habits.