1: Points about dangerous wires can invigorate. (7)
5: Part turning two ways (5)
7: Bend in the middle and wind back (3)
8: Maid Marian - half American (9)
9: 4-down Arias hit high note in some of the lungs (3,3)
10: Goes bad and accepts never-ending abuses of the system (5)
11: Bear with a blemish following us around (7)