8). For which logic gate the following statement is true The output is low, if and only if all inputs are low
(a) AND (b) NOR (c) NAND (d) OR Ans : (d) OR
This is because haemoglobin in the blood reacts with oxygen as follows
Hb + 402 → Hb(O2)4
Therefore solubility of oxygen in the blood increases. Oxygenated blood is pumped to various parts of the body for supply of oxygen.
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