Plasma is a straw-coloured liquid that makes up just over half the volume of blood. \( \text{haemoglobin} + {oxygen} \xrightarrow {at~the~lungs} \text{oxyhaemoglobin ...

In animals, specific metabolic pathways can produce vitamins and haemoglobin. Metabolic pathways can be described as a series of chemical reactions that start with a substrate and finish with an ...