Identify the muscle labeled 1. 

Hearing and balance both rely on

Identify the muscle labeled 13.

Identify the muscle labeled 5.

This layer of the epidermis consists of up to 30 layers of dead cells.   

Anesthetics and anti-inflammatory drugs are introduced into what space in the spinal cord?

The sarcoplasmic reticulum:

Identify the muscle labeled H.

What properties are common to keratinized epithelia?

_____________ burns involve the epidermis, all of the dermis, and often some deeper tissue.