Which statement describes the condition of the heart at the point indicated in the electrocardiogram? The atria are contracting and pushing blood into the bottom ventricles of the heart.
The ventricles are contracting and pushing blood out of the heart to the lungs and body.
The valves between the atria and ventricles close, producing the second heartbeat.
The valves of the aorta and pulmonary artery close, producing the second heartbeat.

I think it's B

Explanation:

During QRS that's when the depolarization happens and when that happens the ventricles contract and push blood to the lungs and body.  

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.  

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