Question

which part of the hair is shown to the right?
medulla
cuticle
cortex
follicle

Explanation:

The cuticle is the outermost layer of the hair, composed of overlapping scales. The image shows the characteristic scale - like structure which is typical of the cuticle. The medulla is the innermost part (often not present in all hair types), the cortex is the middle layer (provides strength and color), and the follicle is the structure in the skin from which the hair grows.

Answer:

Cuticle