21. The heart rate slows, the karmic winds suspend and the venous blood returns less impurities into the blood stream. 22. The shallowness of the venous blood supply of the mucosa contributes to the ease with which nosebleed can occur. 23. Findings consistent with McArdle s disease would include a failure of lactate in venous blood and exaggerated ammonia levels. 24. Finally, they suggest that warm venous blood perfusion at the rete facilitates warming of cerebral blood that supplies the hypothalamus. 25. "' Venous blood "'is deoxygenated blood which travels from the peripheral venous system into the right atrium of the heart. 26. The warm arterial blood transfers most of its heat to the cool venous blood now coming in from the outside. 27. Galen believed the arterial blood was created by venous blood passing from the left ventricle to the right through'pores'between the ventricles. 28. It was later recognized that the cerebrospinal venous system represents a main route for efflux of venous blood from the brain. 29. Venous blood is obtained for lab work by venipuncture ( also called phlebotomy ), or by finger prick for small quantities.30. The bicarbonate content causes the venous blood leaving the stomach to be more alkaline than the arterial blood delivered to it.