The ______of the inner ear consist of three tubes containing fluid that sloshes through them when the head moves, signaling rotational or angular movement to the brain. A. semicircular canal B. stirrups C.hammer D. anvils 2. The body's voluntary movements are mostly controlled by which part cerebral cortex? A. Frontal lobe B. Movement lobe C. Temporal lobe D. Occipital lobe 3. in a experiment, all participants receive a treatment, but those in the control group receive a false treatment, which is called a A. psychological anomaly B.lie C. drug treatment D. placebo 4. you study a sample of 100 high school students and find that students and find that student IQ scores increase significantly as the level of reported parental income increase. you can conclude from this that A. there's a positive correlation between parental income and children's IQ scores B. higher parental income causes an increase in Children's IQ scores C. students get smarter when their parents earn money. D. there'