Sentences with phrase «flight muscles»

This contrasts with nature's most extreme case of repetitive muscle action, the high frequency flight muscles of bees and other insects, which contract multiple times in response to a single impulse.
He adds that human heart muscle works in much the same way as flight muscle, and this work could eventually give insight into why hearts fail.
Archaeopteryx doesn't have several features considered essential to flight in modern birds, such as a keeled breastbone to which several important flight muscles attach; a ball - and - socket arrangement that allows the wing to flap fully up over the back and down again; and a muscle pulley system that links chest and shoulder muscles, allowing the birds to swiftly alternate between powerful downstrokes and upstrokes.
To figure out why birds do this, researchers implanted sensors in the wing and primary flight muscles of three pigeons, and had them traverse steep inclines in the lab.
Studies have shown that crickets and other insects at the edge of a species» range evolve features that help them disperse, such as stronger flight muscles.
In butterflies, the thorax is mostly composed of flight muscle while the abdomen is largely dedicated to egg production.
And the small bumpy nodules on the birds» ulnas — forearm bones where flight muscles attach — are undeveloped in the turkey skeletons, suggesting that the birds didn't fly much and might have been domesticated.
Scientists have recorded the active flight muscles of a blowfly, opening doors to the future development of micro-aircraft modelled on the insect's flight mechanics.
These birds, known collectively as ratites, have sturdy legs, short tails and lack a keel for anchoring flight muscles to their breastbones.
But sodium is essential for the development of nerve and muscle tissue in animals, and those butterflies that did survive on high - sodium leaves also experienced a growth spurt: males had bigger flight muscles and females had significantly larger eyes (PNAS, DOI: 10.1073 / pnas.1323607111).
Honeybee flight muscles are strongly dependent on high levels of oxygen consumption and energy metabolism.
The six - legged biomechanical hybrid can rise, hover, and fly on command, guided by a radio receiver that relays signals to electrodes connected to the insect's optic lobes and flight muscles.
The wanderlust comes at a price, though: Some British butterflies that bulk up their flight muscles must settle for smaller broods.
Researchers create what may be the perfect scout: a bug controlled remotely through a chip implanted in its optic lobes and flight muscles.
However, Witton and Mike Habib of Chatham University in Pittsburgh, Pennsylvania, have proposed that because they had short torsos, the largest pterosaurs weighed no more than 250 kilograms — and that their flight muscles were a massive 50 kilograms of that.
She then rapidly contracts the flight muscles to produce the vibration, without beating her wings.»
In the ball formation, honeybees vibrate their flight muscles to produce heat.
North Carolina State University [US] researchers have developed methods for electronically manipulating the flight muscles of moths and for monitoring the electrical signals moths use to control those muscles.
This is where a recovering eagle, hawk, owl, or peregrine falcon exercises and strengthens his or her flight muscles, acclimates to climate change with the seasons and even learns to hunt for food.
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