Mouthfuls

Baleen whales, such as gray and humpback whales, have hundreds of comb-like plates with stiff bristles growing from the upper jaw to strain small food from huge mouthfuls of water.

On a recent weekday afternoon in Ho Chi Minh City, the passengers bouncing along on one of the city's green buses breathed in mouthfuls of carbon monoxide, hydrogen cyanide and other chemicals that add to Vietnam's notorious pollution. The toxic smoke did not come from the bus itself, but from the man driving it — one hand supporting the wheel, the other holding a cigarette.

When the dog realized he would be going on a walk, he ate several mouthfuls of dry dog food to fuel up.

The rider untied a water bottle from his saddle and gulped down a few mouthfuls.

Janos finished the meal in three mouthfuls.