Which part of the inner ear houses receptors for angular (rotational) movement of the head?

Answer is: receptors for angular (rotational) movement of the head is semicircular duct.
Semicircular ducts (semicircular canals) are three interconnected tubes, each forms two-thirds of a circle (horizontal, superior and posterior semicircular canals).
Semicircular ducts work as a motion sensor and communicate with the brain.

Be prepared.experiment breaking point of rubber bands measured in certain amount of temperature communication

that's all i luck!