What causes bud to have this flashback?

What muscle is responsible for swallowing? Why do men have boners when they wake up? Is a strand of hair a solid? What are the advantages of having a smear test? Can you drink coke with ulcers? Which is the larget and main artery of the circulatory system? What causes the movement of blood through the veins? What is infantine glocoma? What is the biggest bone in an elephant? How bad is wine during the first trimester of pregnancy? What affects the accuracy of memory? Is clear mucus coming out when you pee a sign of your period for a female? What is the medical billing code for routine preventative colon cancer screening colonoscopy? Processes in using cold towel for fever? What is the difference between a delusion and delirium? What could cause temporary peripheral vison disturbance in right quadrant of right eye? How many organ transplants were there in 2009? How many bones does a mongoose have? What thigh muscle causes movement at the hip joint? Is there any ways of un munbing your mouth?