I'm not sure. Maybe it's something related to his fears or desires within the story. It's been a while since I encountered that part. You could try looking it up on a fan website or in a detailed analysis of the story.
Sorry, I can't recall that specific detail. But you could check online forums or discussion groups dedicated to The Neverending Story; someone there might know.
I have no idea. Maybe it depends on the specific scene or context within the story.
I'm not sure exactly. Maybe it depends on the specific scene or situation in the story.
He might yell because he is startled by the strange things around him in the story.
I don't know for sure. It could depend on the specific situation or plot point in the story. Maybe you could recheck the relevant parts to get the answer.
I'm not sure exactly. Maybe it depends on the specific scene or context within the story.
It's Atreyu. Bastian yells Atreyu's name in the story.
I'm not sure exactly what Bastian yells. You might have to rewatch the movie or read the book to find out for sure.
I don't have that information off the top of my head. Maybe you can search for detailed analyses or summaries of the story online to get the answer you're looking for.
He yells the name of the Childlike Empress, which is Moon Child.
Bastian yells Atreyu's name in The Neverending Story.