________ refers to the process by which changes in lens shape help to focus images onto the retina
Fill in the blank with the appropriate word.
Answer: Accommodation
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People hear a tone, followed by a puff of air to the eyes. Soon, they blink their eyes when they hear the tone. What are the conditioned stimulus and conditioned response?
a. The tone is the conditioned stimulus and the puff of air is the conditioned response. b. The puff of air is the conditioned stimulus and the tone is the conditioned response. c. The tone is the conditioned stimulus andblinking is the conditioned response. d. The puff of air is the conditioned stimulus and blinking is the conditioned response.
As Molly is walking across campus, a car swerves toward her. Her heart races and sweat breaks out as she jumps out of harm's way. This mobilization of energy is due to the action of Molly's __________.
A. somatic nervous system B. skeletal nervous system C. parasympathetic nervous system D. sympathetic nervous system