The independent variable in the experiment described in question 38 is
a. the drug
b. the placebo
c. blood glucose level
d. not present
a
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The system of glands that secrete chemicals into the bloodstream that help control bodily functioning is the
a. hormonal system. b. endocrine system. c. nervous system. d. pituitary system.
Which condition is most likely to lead to microcephaly?
a. toxoplasma b. rubella c. cytomegalovirus d. Zika virus disease
You have been hiking, and as night falls and the temperature drops, the first part of your temperature regulation system to be activated is probably your ________, which will trigger your _________ to make you shiver
a. spinal cord; skin receptors b. skin receptors; hypothalamus c. brainstem; hypothalamus d. hypothalamus; skin receptors
In mammals, special feature-detector cells in the visual cortex respond to different visual patterns
Indicate whether this statement is true or false.