One of the more important body parts that starts with 'r' is the retina. It is an important part of the eye. Another important part are ribs.
Rear Rib Rump Rectum
retina
rear end
Retinae.
ribs
organ sword rectum RCM
ribs retina (part of the eye) ring finger radius (arm bone)
Ribs, rectum, red blood cells(?).
The xiphoid process is a body part. It starts with the letter x.
a body part that starts with b is biceps
The xiphoid process is part of the human body. It starts with the letter x.
A part of the human body that starts with N is Nose. Nerves....
The Retina.
Roots
the body part is thigh the upper leg.