Vaso-

... body may begin to over heat. this new stimulant causes the control centre (hypoth.) to instruct the effector(s) to kick in. for example sweating , vaso-dialation, etc... in each case the result of the effectors action becomes the new stimulant and an opposite reaction occurs in a controlled manner ...

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... organisms have hormones...however not all multicellulars have ____. 3-7 Google the terms... 9. http://www.google.com/search?q=adrenal+gland+vaso&btnG=Search&hl=en&lr=&safe=off&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=Q6z Btw, the pituitary is also ...

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