AiD
Journey
Sphere
Routine
Courses
Try QBank free
Sign in
Get started
Class 4 — Hair, Nail — Free QBank Preview | AiD · AiD
← All preview classes
Question 1 of 10
Class 4 — Hair, Nail
The middle, innermost layer of the hair shaft is called the?
A
Medulla
B
Cortex
C
Cuticle
D
Inner root sheath
E
Outer root sheath
Submit
AiD