Which of the following organs is in a body system that absorbs nutrients?

All of the following are functions of the integumentary system except:

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?