Which organelle contains the DNA?

Cilia may be found on:

Which of the following layers would not be found in the skin from a human neck?

Unlike cartilage, bone:

Watery perspiration is an example of a(n) ______ secretion.

Most of the dermis is composed of:

Insulin decreases the blood glucose level.  Therefore insulin would be secreted when the blood glucose level is:

Which does not contain keratin?

Based on the tissue present, what part of the body is shown here?  

The cells of the epidermis receive oxygen and nutrients from: