If you stand to make your maiden speech before a large audience, your mouth dries up and heart rate increases. What brings about these changes ?

If you stand to make your maiden speech before a large audience, your

1.	If you stand to make your maiden speech before a large audience, your mouth dries up and heart rate increases. What brings about these changes ?
Answer» If you stand to make your maiden speech before a large audience, your mouth dries up and heart rate increases. What brings about these changes ?