They generally don't, other than the fact that some of the letters are named for body parts, such as:
what skeletal as 9 letters
kidneyspleencheekspelvisfingermuscletonguenervesglands
parts of a letter: * heading * greeting * body * closing
Ulna, uterus
elbow
clavicle
armeareyelegliptoe
The letters spell the word thorax. It is a body part.
Eye, toe, jaw, hip, arm and rib are body parts. Additional body parts include ear, leg, gum and lip.
The parts of your body = hachelakim shel haguf shelcha/shelach (החלקים של הגוף שלך)
Anus, iris, feet, gums and calf are body parts. Additional body parts include nail, neck, face, nose, foot, cell and chin.
The six standard parts included in all block letters are the date, recipient's address, salutation, body, closing, and sender's name.