Execution order in a stored procedure

Hi,

Need some help.

Easy example. Lets say I have two store procedures, A and B, as below.

CREATE RPOCEDURE dbo.A  
AS
BEGIN;
	DECLARE @id int=1;

          WHILE(@id <5);           
          BEGIN;
            EXEC sp_executesql dbo.B @id=@id

            SET @id=@id+1           
          END;
END;

I assume that the loop does not wait for procedure dbo.B to finish before it executes it again with the next parameter (@id=2), which means that it is paralell execution of the Procedure B?

Is there anyway I can accomplish that it executes sequential, meaning that the loop holds until procedure B finnished?