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An explorer has been lost in the desert for two days with very little water. As a result, you would expect to observe

Which of the following hormones increases blood pressure by directly stimulating the distal convoluted tubule and collecting ducts to take up more water and salts?

The ____ is/are responsible for closing off the airway during swallowing.​

Which term below is atrial contraction

Functions of the kidneys include all but one of the following. Identify the exception.

Which of the following statements about Malpighian tubules is CORRECT?

As oxygenated blood enters tissue capillaries, the oxygen ____.​

What governs the movement of fluid out of capillaries at the arteriolar end?

In response to a significant drop in blood pressure, ____ is produced, which quickly raises blood pressure by constricting many arterioles.​

You are an EMT that is working at a parade on a hot day. There is a college marching band getting ready for their performance. The director gets everyone lined up and begins a one hour warm up where everyone is required to stand in place during the warm up. Toward the end of the warm up, you receive a call that a few members of the band have fainted from standing at attention for the long practice. The members all play different instruments and seem to have normal temperatures, normal blood pressures and only complain of being light headed before the fainting but otherwise feel fine now. What is the simplest and most likely explanation for the fainting?