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Many substances in the body have chemicals that act against a wide variety of pathogens. ______________ (one component of sweat) creates a waxy film on the surface of the skin.

Which of the following types of sensory receptors are involved in the regulation of blood pressure?

The organs of the urinary system are:

Increased secretion of hydrogen ions would result in a ________________ of blood ________________.

_________________ immunity refers to mechanisms acting against a wide variety of pathogens and are generally present at birth.

The organs of the urinary system are:

Increased secretion of hydrogen ions would result in a ________________ of blood ________________.

Vasoconstriction of the blood vessels in the skin will help lower body temperature.

____________ ____________________ can live for months or years and remain in lymphatic tissue. These cells will “remember” the foreign antigens and can stimulate a rapid response if we ever encounter them again. These participate in cell-mediated immunity. (Choose all that apply; no partial credit)

____________ ____________________ can live for months or years and remain in lymphatic tissue. These cells will “remember” the foreign antigens and can stimulate a rapid response if we ever encounter them again. These participate in cell-mediated immunity. (Choose all that apply; no partial credit)