He slurped one strand of noodle.

He is following a singular focus path.

He thinks of himself as a living god.

That person is my friend.

She is picky and doesn't eat vegetables at all.

He is following a single path.

He started a special exercise to train his serratus posterior inferior muscle.

By strengthening the posterior scalene muscle, you can reduce neck and shoulder pain.

He is doing a special exercise to train his occipitofrontalis muscle.

The one-humped camel lives in the desert.