Sentences with phrase «air sacs make»
«Air sacs make sounds louder and lower - pitched, just the way a musical instrument sounds lower and louder when it's bigger,» de Boer continues.
http://discovermagazine.com/ Not exact matches
Air sacs may also have enabled creatures to make long, repeated calls without hyperventilating.
The easiest vowel sound to make when air sacs are present is «uh.»
«Early humans» need to produce complex sounds to communicate better made their vocal air sacs shrink»
De Boer found that air sacs also interfered with the workings of the vocal cords, making consonants trickier.
Both the prairie chicken and the sharp - tailed grouse, for example, inflate colorful air sacs on their necks, stamp their feet, spread their wings and tails, and make booming sounds that can attract coyotes and raptors as well as females.
His actuators are made from soft polymer materials called elastomers, and his first prototype, a six - fingered gripper, resembles a starfish: when air is pumped into it through a thin tube, air sacs within expand, causing its digits to contract in a gentle grasping motion.
Inhaled diacetyl, the chemical that gives microwave popcorn its sinful buttery flavor, is suspected to gradually inflame and scar the lungs» tiny air sacs, making it increasingly difficult for sufferers to exhale.
To make these humanlike sounds, Noc had to vary the air pressure in his nasal tract while adjusting liplike valves and over-inflating sacs under his blowhole.
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