When the body is cold and needs to conserve heat, the blood vessels in the dermis dilate to increase blood flow in that area.

You are part of a team where one colleague frequently plagiarizes reports by copying material from sources without citation. Your supervisor ignores the behavior. What ethical actions can you take, and what risks do you face? Which choice would you consider most ethically defensible?

Which endocrine organs are found within the cranium?Select ALL that apply:

Which is not a function of bone?

When comparing skin coloration in people, there is a huge spectrum of very light pigment to very dark pigmented skin.  Please identify which of the following best describes the underlying physiological reason for this spectrum of pigmentation.

Our ability to taste is largely dependent on what other sense?

Cortisol is released from the adrenal cortex in response to adrenocorticotropic hormone (ACTH).  Based on this, which statement is true? 

Put the structures in the order that a sound wave would travel through or across through them:

The process whereby light rays are converted to an electrical signal is known as:

Extra Credit What was your favorite system studied in Biol 227, and why was it your favorite? (1 pt) What was your least favorite system studied in Biol 227, and why was it your least favorite? (1 pt)