Worried about future , grade 10?

kso , im doing my course selection for grade 11 and i was thinking of what career i want . i seriously dont know but i do have an idea. i was thinking of doing nursing and if i dont like that i can do home economics and if i dont want that i can do business . i really have no idea about universities but is it possible if my major is nursing and minor is home economics ? im sorry if this sounds dumb ( i really dont know anything about majors and minors) **** so for my career, im not too sure yet so ill give details and you can recommend me careers .... i like home economics, i like science especially biology mostly human body . i like english . math is in between .and i would like to work in a home or office area . please please help me . im stuck and freaking out .