Why do latent trait theorists believe that the aging out process really occurs? 

One family of salamanders, the plethodontids, completely lack lungs and rely entirely on the exchange of gases through their epidermis. What general tissue type would you expect to make up their epidermis. Why would this tissue be effective for this purpose?

Match the following cell types with the correct tissue type

Each of the following is an example of dense connective tissue except

Melanocytes are found in which of the following layers?

Identify structure #26 in the diagram below

Identify the structure #43 in the diagram below

The following are stages in the regeneration of skin following an injury. What is the correct order for these events? inflammation cellular migration epidermis covers granulation tissue epidermis covers scar tissue

The gland pictured is an example of: 

The glands most responsible for cooling the skin are: