Look at my biceps.

The pygmy blue whale ( Balaenoptera musculus brevicauda ) is a subspecies of the blue whale ( Balaenoptera musculus ) found in the Indian Ocean and the southern Pacific Ocean.

He repeated several times it was a three wheeled manual wheelchair, which means he was using his strong biceps to push himself up the gradient.

Because this is blood returning from our legs if we're running, or returning from our brain, that had to use respiration or maybe we're working out and it's returning from our biceps, but it's de oxygenated blood.