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Activity Discussion Science & Technology How can the heart be strong enough to pump blood up your legs against gravity?

  • How can the heart be strong enough to pump blood up your legs against gravity?

    Posted by Saurabh on May 21, 2021 at 12:26 pm

    How can the heart be strong enough to pump blood up your legs against gravity?

    Saurabh replied 1 year, 6 months ago 1 Member · 0 Replies
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