The brain specks are of concern because brain tissue and spinal cords are the most infectious parts of animals with mad-cow disease.
(The brain specks; are; of concern; because brain tissue and spinal cords are the most infectious parts of animals with mad-cow disease) (brain tissue and spinal cords; are; the most infectious parts of animals with mad-cow disease)
The brain specks brain tissue and spinal cords
are are
of concern because brain tissue and spinal cords are the most infectious parts of animals with mad-cow disease
the most infectious parts of animals with mad-cow disease