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GCSE Biology Paper 1 (9-1 Exams)

Oxygen Cells Red Blood Haemoglobin Transport Lungs Body

In the lungs, oxygen combines with hemoglobin in red blood cells to form oxyhemoglobin, and in body tissues, this releases oxygen to the cells.

Dans les poumons, l'oxygène se combine à l'hémoglobine des globules rouges pour former l'oxyhémoglobine, et dans les tissus, cette dernière libère l'oxygène pour les cellules.

Front
How do red blood cells transport the oxygen from the lungs to all the cells in the body?
Back
  1. In the lungs, oxygen diffuses into the blood. The oxygen combines with haemoglobin in red blood cells to become oxyhaemoglobin.
  2. In body tissues, oxyhaemoglobin splits up into haemoglobin and oxxygen, to release oxygen to the cells.

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