In the process O2 is taken in and CO2 is released. Carbon is also released as CO2 when organisms die and decay (work of decomposers). A: The carbon dioxide-oxygen cycle is the cycle in which living things (such as plants and animals) take in oxygen and let out carbon dioxide..
Beetroot juice 'helps lower blood pressure': A glass a day can reduce it by 7%, say researchers. Drinking beetroot juice every day could help to lower blood pressure, say researchers. They found a dose of eight ounces â around one cup â may help people with high blood pressure, cutting their readings by about 7 per cent. Tests suggest the effect is produced by beetrootâs naturally high levels of nitrate.
This article here mentions a few more studies pertaining to beet juice and athletic performance, and includes the sources to the original information. In these studies different men and women drank beet juice in amounts ranging from 140 ml all the way up to 500 ml. To note 500 ml is around 2.1 cups ( 16.8 ounces). I found no mentions of anyone suffering ill effects from drinking this much concentrated beet juice during this study.