The way that the first four lines seem to run into each other without a syntactical pause is called

The way that the first four lines seem to run into each other without a syntactical pause is called enjambment

Explanation:

Enjambement is a syntactic thread between one verse and another, you can almost say an overflow in which the last word of the verse connects to the first word of the next verse.

he does not belive what the men tell him about the jungle

to save the day, harry must get past a scary three-headed guard dog.