They faced each other like hunter and prey for a few seconds, completely still, breathing hard, muscles tense, then she ran for the door.

That happens because their muscles run out of glucose and they can't have the same power output.

Four paired intrinsic muscles of the tongue originate and insert within the tongue, running along its length.

Heavy muscles ran in great ropes under the skin.

Their muscles run along the sides of these vinegar eels that allow them to move back and forth.

He watched her breathe easily, ran his eyes over her white skin, her smooth muscles, her black hair.

In the active mechanism, skeletal supports and muscles run through the patagia of lizards.

The mylohyoid muscle runs under it.

He flexed his arms, and the muscles ran ripplingalong them.

However, if you're very tall, your stride is long, but your muscles can't stride fast enough to run fast.