Sentence examples for chambers contract from inspiring English sources

Atrial fibrillation occurs when the heart's upper chambers contract irregularly and faster than the lower ones.

Moreover, he discovered that the atria or filling chambers contract together while the pumping chambers or ventricles are relaxing, and vice versa".

When these chambers contract, the two blood streams pass into a common ventricle before being pumped via a spiral valve to the appropriate vessel, the aorta for oxygenated blood and pulmonary artery for deoxygenated blood.

It occurs when the heart's electrical system malfunctions, causing the heart's two upper chambers to contract very fast and irregularly.

At 52 hpf, the heart of the mock injected embryos clearly formed a loop with two chambers and contracted at a rate of ∼180 beats/minute, driving normal blood flow (Fig. 6e).

The velocities at given points in the volute chamber, the contracted section and the vertical dropshaft of a discharge tunnel with vortex drop were measured by a small specially designed L-shaped tube, as Laser Doppler Velocimetry (LDV) or Particle Image Velocimetry (PIV) would not work there due to the special structure of the discharge tunnel with vortex drop.

In October, the chamber signed a contract for 2,214 cable television spots promoting the city and its retail stores.

Fifa's disputes-resolution chamber can multiply contract values by a factor of 1.5 in calculating compensation.

The evolutionary development of fast-contracting chambers allowed the heart to build up high blood pressures.

The robot's four legs are a combination of hard and soft printed parts, relying on a bladder-based system of expanding and contracting rubber chambers that propel its movement.

Kim started having episodes of ventricular tachycardia – the lower chambers of her heart contracted so quickly that they pumped out their contents before they had a chance to fill up, compromising the flow of blood (and therefore oxygen) to the rest of her body.