The plays a central role in the circulatory system. it consists of four : two for receiving blood and two for pumping blood. a. kidney, veins b. heart, chambers c. heart, veins d. kidney, chambers

According to research, which of the following statements reflecting the relationship between emotion and the prefrontal cortex is false? a. the prefrontal cortex to regulate one's emotional response. b. the prefrontal cortex is activated when processing information associated with stress. c. sensory input indicating emotion first enters the prefrontal cortex before traveling to the amygdala. d. the prefrontal cortex processes information associated with emotional pleasure.

True or false: determining the source and motive of an ad for a health product will you decide whether the ad is a reliable source of health information.

Which of these are fast-acting compounds that attack ocygen-dependent tissues known to be particularly sensitive to these compounds? a. nerveb. vesicantsc. cyanide compoundsd. pulmonary