Which of the following statements is true of stress?
a. it's completely abnormal and should never occur.
b. it's a signal that life has become too hard to handle.
c. it's beneficial only in large amounts.
d. it's a natural part of our everyday lives.

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord

Which of these is an example of how the media might perpetuate a sexual stereotype? a) a lesbian couple is shown adopting and caring for a child. b) a lesbian is depicted as masculine. c) a male homosexual is depicted as masculine. d) a homosexual relationship is shown to be commited and monogamous.

Why do you need two different circuits of blood vessels in your body?