What is ment by pulmonary blood circulation and systemic blood ciculation?

Panic attacks can be extremely disabling to the people who experience them. in a few sentences, describe the symptoms of panic disorder and why it can be so disabling in a person’s life.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?

Which is not a physical sign of stress? a )pupils dilate b) breathing becomes faster and deeper c) kidneys and liver constrict d) spending money