1. true or false
researchers who studied acupuncture in mice discovered that inserting an acupuncture needle deactivated pain-suppressing receptors.

2. true or false
kinesthetic disorders control or direct voluntary movement.

3. true or false
the vestibular sense originates in the outer ear.

Q1: False.
It is discovered that inserting an acupuncture needle in mice activates pain-suppressing receptors. This can be used in treatments to relieve pain.

Q2: False.
Kinesthetic disorder is a type of psychological disorder affecting perception. Patients usually have hallucinations. Thus, the disorder does not affect voluntary movements.

Q3: False.
The vestibular sense originates in the inner ear. It actually originates from vestibulum, which is the part of the inner ear.