Circulatory Systems Compensate for

question 72

Multiple Choice

Circulatory systems compensate for

• A) temperature differences between the lungs and the active tissue.
• B) the slow rate at which diffusion occurs over large distances.
• C) the problem of communication systems involving only the nervous system.
• D) the need to cushion animals from trauma.
• E) the need fetal organisms have for maintaining an optimal body temperature.

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Definitions:

Sexual Arousal

A physiological and psychological response to sexual stimuli, which can be manifested through physical changes in the body and a heightened state of excitement.

Nocturnal Tumescence

The phenomenon of penile erection during sleep, commonly referred to as "morning wood."

REM Sleep

A phase of sleep characterized by rapid eye movements, dreaming, and increased brain activity.

Erectile Failure

The inability to achieve or maintain an erection sufficient for satisfactory sexual activity, also known as erectile dysfunction.