21. In contrast, the Bainbridge reflex responds to changes in blood volume . 22. II . Blood Volume ( Haemoglobin, Oxygen Capacity, Relative Volume and Total Solids ). 23. Conductance is then related to blood volume though Baan's equation. 24. This regulation of blood volume has effects on other aspects of the cardiovascular system. 25. By causing water to be retained, salt increases blood volume , counteracting low blood pressure. 26. Preload can also be affected by a person's blood volume . 27. One adaptation to these environmental challenges is an increased blood volume for oxygen storage. 28. In addition, the total blood volume sometimes increases to as much as twice normal. 29. In 1854 he devised a method for measuring blood volume in humans and animals. 30. Hydrocephalus can substantially disrupt " intracranial " blood volume because of the pressure buildup.