the bottom/point of the heart is called the apex
The wide superior part of the heart is called the base of the heart.
The top of the heart is called the apex. The left and right ventricles are located in the apex of the heart.
The top part of a wave is called the crest, while the bottom part is called the trough.
The top part of a tornado is called "the top"
a heart
systole
The top part of a dress is called the bodice.
Atria
The bottom part of your hand is the Palmar sideand the top part is the Dorsal side.
The top part of a shirt is called the collar. It is the part that goes around the neck area.
Denominator. The top part is called the numerator.
The two top chambers of the heart are called the right and left auricle respectively