Does anyone have the key to " Student Exploration: Uniform Circular Motion" Its a gizmo. Please anyone?

Usha is giving a presentation on the cardiovascular system. one of her slides shows a diagram of the blood moving from the heart to the arms and legs. which type of circulation is the slide illustrating? systemic circulation pulmonary circulation systolic circulation diastolic circulation

Is the universal urge to strive for perfection in order to overcome feelings of inferiority. a. pleasure principle b. striving for superiority c. collective unconscious d. reality principle

Cigarette manufacturers purposefully add to cigarettes in order to give them a particular flavor. a. cocaine b. carcinogens c. cigarette ashes d. a and b