Hypovolemic shock is caused by severe blood and fluid loss, such as from traumatic bodily injury, which makes the heart unable to pump enough blood to the body, or severe anemia where there is not enough blood to carry oxygen through the body.Hypovolemic shock is caused when there isn't enough blood in your blood vessels to carry oxygen to your organs. This can be caused by severe blood loss, for example, from injuries. Your blood delivers oxygen and vital nutrients to your organs
Most generally speaking, the arrows in the food webs/chains represent the flow of energy.
Most typically, the energy will flow from the Sun to the plants, and then those plants are eaten and when they are eaten the energy flows from the plants to whatever animal ate them.
