Sentence:  Molten glare singed their eyelids an angry crimson ; suffocating air sapped their strength and strained their nerves to snapping ; dust choked their <WSD>throats</WSD> and lay like acid in their lungs . 
Meaning of the word marked with <WSD> tags:  the passage to the stomach and lungs; in the front part of the neck below the chin and above the collarbone