The immune system retains the capacity to battle antigens by:
A) maintaining their antibodies in the bloodstream.
B) increasing the amount of glucose absorbed by cells.
C) increasing the production of red blood cells.
D) regulating body temperature near the area of an injury.
A
Psychology
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Earlier sexual intercourse among teens is associated with
A) a lower likelihood that they will use contraception. B) increased chances of being married by age 25. C) a lower likelihood of teenage pregnancy. D) more sexually explicit sexual education programs.
Psychology
According to the theory of evolution:
a. different species arose from different ancestors b. humans belong to their own, unique family tree c. present day humans descended from a creature related to apes d. humans and chimps share only 1% of their DNA
Psychology