Examlex
It was observed that some birds in England were learning to puncture the tops of milk bottles to get the cream.One explanation was that the birds' attention was being drawn to the milk bottles by other birds that had discovered this "trick." Which phenomenon does this explanation demonstrate?
Pulmonary Artery
The blood vessel that transports blood lacking oxygen from the heart's right ventricle to the lungs to receive oxygen.
Left Ventricle
The chamber within the heart that pumps oxygenated blood out into the systemic circulation throughout the body.
Nervous System
A complex network of nerves and cells that transmits signals between different parts of the body.
Heart Rate
The number of heartbeats per unit of time, typically expressed in beats per minute (BPM), indicating cardiovascular health and overall physical fitness.
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