NADH. the reduced form of nicotinamide-adenine dinucleotide. NADH-methemoglobin reductase. the enzyme in the erythrocyte that converts methemoglobin to hemoglobin, which is the form responsible for the transport of oxygen.1  Facebook.ADH. the reduced form of nicotinamide-adenine dinucleotide. NADH-methemoglobin reductase. the enzyme in the erythrocyte that converts methemoglobin to hemoglobin, which is the form responsible for the transport of oxygen. 1  Facebook.
Such as, users aged between 15 and 19 spend at least 3 hours per day on average on social media platforms majorly Facebook, Twitter and Instagram. The age group consists of students who spend their precious time in connecting with people rather than spending time on playing or studying.
One analyst said this proved that it's still early in the digital revolution. The annual Ofcom study also analysed the media habits of those between 12 and 15 years of age. Media caption UK adults spend an average of eight hours and 41 minutes a day on media devices.he poll also indicated that those aged 16-24 are likely to do more than one task at a time, squeezing 14 hours and 7 minutes of media activity into each day, in just over 9 hours.