GCSE Biology Revision "Sizes of Cells"

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In this video, we look at the sizes of cells. We explore the meaning of the words millimetre, micrometre and nanometre and how these relate to cells and the objects within cells.

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Image credits:

Helicobacter pylori By Yutaka Tsutsumi, M.D. Professor Department of Pathology Fujita Health University School of Medicine [Copyrighted free use], via Wikimedia Commons

Lymphocyte By No machine-readable author provided. NicolasGrandjean assumed (based on copyright claims). [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/2.5-2.0-1.0)], via Wikimedia Commons

Little finger By Pogrebnoj-Alexandroff - open free cources, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1939117

Ballpoint CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=179315

German shepherd By Ellen Levy Finch (Elf) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=80113

Neutrophils By Dr Graham Beards - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=20521666

Haemoglobin By Zephyris at the English language Wikipedia, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2300973

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