The part of an elephant’s body with the most muscles is its trunk. It contains tens of thousands of muscle units—often cited as about 40,000 individual muscles, or up to roughly 150,000 muscle fascicles and tendons, depending on how the structures are counted.
The trunk is a remarkable fusion of the elephant’s nose and upper lip. It contains no bones and very little fat; instead, layers of muscles run lengthwise and around the trunk, working against one another to create precise movement. This design lets an elephant stretch, curl, twist and grip with extraordinary control.
Elephants use the trunk for breathing, smelling, drinking, bathing, feeding, lifting objects and producing sounds. Its tip is especially dexterous: African elephants have two finger-like projections, while Asian elephants have one. An elephant can use the tip to pick up a small object, yet the whole trunk is strong enough to move heavy branches.
A common mix-up is to say the trunk has “150,000 muscles.” That larger figure usually refers to muscle fascicles or muscle-and-tendon units rather than separately named muscles. The exact number varies by definition, but the trunk is unquestionably the elephant’s most densely muscular body part.