question: The blood vessels near the top of the skin do what when it's warm?
choices.text: enlarge contract
choices.label: A B
para: When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.
para_anno.effect_prop: diameter
para_anno.cause_dir_str: increasing
para_anno.effect_dir_str: increase
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: temperature
question_anno.more_effect_dir: enlarge
question_anno.less_effect_dir: contract
question_anno.more_effect_prop: blood vessels
question_anno.less_effect_prop: blood vessels
question_anno.less_cause_dir: blood vessels