Closing a movie clip with EventListener with a mouse click

1

I have a button that loads a movie clip and I want to be able to close that same movieclip by clicking anywhere. The first part works and will open the mc but I need help with the second part to click anywhere and to close the mc.

This is my script so far:

var newBio = new BioToc();
btn_2.addEventListener(MouseEvent.CLICK, goBio);

function goBio (e:MouseEvent):void {
this.addChild(newBio);
newBio.x = 25; newBio.y = 45;

function removeMC (e:MouseEvent):void {
removeChild(newBio);
stage.removeEventListener(MouseEvent.CLICK,removeMC);
btn_2.addEventListener(MouseEvent.CLICK, goBio);
}
}