Extrinsic sugar is free in foods or it is added, it's not natural.
impure conductor
Extrinsic is the satisfaction of winning, prize money, rankings and sponsorship in sport.
A muscle that has at least one point of attachment inside the body-part upon which it acts, and at least one attachment point outside.
Extrinsic properties can be affected by the factors while Intrinsic is unaffected by the factors... (I'm unsure)