An out of shape student goes for a run and rapidly builds up large amounts of lactic acid in his/her tissues and blood stream.

a) in the graph below, draw a line or curve that shows how you would expect their blood pH to change as lactic acid builds up.

Be sure to accurately indicate the direction and intensity of any change that might occur.

b) briefly explain why you would expect to seethe direction and intensity of any change in  ph as you have drawn it