I WANT 60 WORDS FROM CH 1 CLASS 7 ENGLISH
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Hemoglobin, or haemoglobin + -o- + globulin, abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in the red blood cells of almost all vertebrates as well as the tissues of some invertebrates. Hemoglobin in blood carries oxygen from the lungs or gills to the rest of the body.
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it's CBSE syllabus
chapter name three questions
class 7
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