Arrhythmia Definition. A heart arrhythmia is an irregular heart beat: the beat may be too fast, too slow, or the rhythm may be irregular. Types. Arrhythmias can be classified by their origin (atria or ventricles) and by heart rate. Tachycardia. A fast (over 100 beats per minute) heart rate is called tachycardia.
What are products of the light and dark reactions of photosynthesis? The products of the light reaction are 602, 12 NADPH2 and 18 ATP.    The products of the dark reaction are C6H12O6, 12 NADP, 18 ADP, 18 Phosphates and 6H2O.
What are the light and dark reactions of photosynthesis? The light and dark reactions of photosynthesis are two processes that work together in order to make the glucose. The light reaction: Starts with the light energy hitting â¦ photosystem number 2 and that light energy from the sun is passed between the antennae molecules inside the photosystem. Then, once the light energy is finally hit to the center molecule, called the reaction center, it makes the electrons in the center molecule to become excited, or to contain alot of energy.