12 The blood circulatory system - answers 1 (a) White cells have nuclei, red cells do not have nuclei. Some white cells can change theirshape, red cells cannot. - Commotio cordis - Document - PDFSEARCH.IO

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Date: 2008-11-13 06:59:48		12 The blood circulatory system - answers 1 (a) White cells have nuclei, red cells do not have nuclei. Some white cells can change theirshape, red cells cannot. Add to Reading List Source URL: www.biology-resources.com Download Document from Source Website File Size: 25,00 KB Share Document on Facebook