A Single Layer of Dead, Keratinized Cells at the Outer

question 20

Multiple Choice

A single layer of dead, keratinized cells at the outer surface of the hair overlap and form the ________.

• A) cortex
• B) cuticle
• C) medulla
• D) soft keratin
• E) external root sheath

---

Definitions:

Behavior

The actions or reactions of an object or organism, usually in relation to the environment or stimuli.

Mindfulness

A mental state achieved by focusing one's awareness on the present moment, while calmly acknowledging and accepting one's feelings, thoughts, and bodily sensations, used as a therapeutic technique.

Acceptance

The act of receiving or taking something offered, or the recognition of a situation or condition without attempting to change it.

Metamorphosis

A biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure.