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Chemistry, 27.01.2022 22:20 nellydeb7736
How can the heart be strong enough to pump blood up your legs against gravity?
How can we differentiate so many different foods if we can only taste four flavors on our tongue: sweet, bitter, sour, and salty?
How can we unlock the 90% of our brain that we never use?
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How can the heart be strong enough to pump blood up your legs against gravity?
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