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Sphenothalami
Syrian Arab Republic

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| 08:35 AM Feb 03 2017

neginb

Iran, Islamic Republic Of

Red blood cells!!!! I do study biology every day. i love it.

| 01:21 AM Apr 30 2013

Sphenothalami

Syrian Arab Republic

Note:
1 microlitre = 1 cubic millimetre
1 millilitre = 1 cubic centimetre

| 01:21 AM Apr 30 2013

Sphenothalami

Syrian Arab Republic

Minds are left dizzy as they try to contemplate these numbers!

| 01:20 AM Apr 30 2013

Sphenothalami

Syrian Arab Republic

A single red blood cell (RBC) contains about 250 million hemoglobin molecules, so each of these tiny cells can pick up about 1 billion molecules of oxygen!
Average human being has:

  • 5 liters blood.
  • Every microliter has 5,000,000 RBCs.
  • A single RBC carries 1,000,000,000 molecules of oxygen.

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