Hair and Fibers

Front

What is the medullary index for a human hair?

Back

Generally less than 1/3.

Front

An example of an artificial fiber would be:

Back

Polyester.

Tags

NGSS.MS-PS1-3

Front

What cuticle type is in the picture?

Back

Spinous.

Front

The protein that makes up hair is called _____

Back

Keratin.

Tags

NGSS.HS-LS1-1

Front

The tough clear outside covering of a hair shaft is

Back

Cuticle.

Front

What is the main component of hair?

Back

Keratin.

Front

What are the three main layers of hair?

Back

Cuticle, Cortex, Medulla.

Front

What is the function of the cuticle in hair?

Back

Protects the inner layers of the hair.

Front

What is the difference between natural and synthetic fibers?

Back

Natural fibers come from plants or animals, while synthetic fibers are man-made.

Tags

NGSS.MS-PS1-3

Front

What is the role of the cortex in hair?

Back

Provides strength, color, and texture.