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The heart is comprised of 4 chambers. The upper is called the atria (plural) and the lower are the ventricles. Blood flows into the right atrium (singular), then is pumped into the right ventricle. The right ventricle continues the flow, pumping the blood into the lungs where it receives oxygen. From there, it flows into […]
We know that dogs can recognize the emotions we show on our faces, but can they also recognize individual humans. Dogs use their incredible senses of scent and sound to study the world around them. They can easily pinpoint who we are by our scent, but what about recognizing us by our faces alone. In […]
