PLEASE PLEASE HELP!!

picture riddles

Explanation:

1.people by me to eat but never eat me

2.i am always infront of you but you never see me

3.more you touch me harder i became what am i

4.i have hearts but no other organs what am i

5.i am the only organ that named by my self.

c it has to be i googled it

answer; the candidate for vice president;