Blood loss in a child exceeding _____ of his or her total blood volume significantly increases the risk of shock.

Which system is primarily responsible for the removal of the carbon dioxide created during metabolism?

A) Respiratory B) Cardiovascular C) Urinary D) Digestive

The thoracic cavity is divided from the abdominal cavity by the breast bone (sternum) anteriorly, the ribs laterally, and the spinal column posteriorly.

Answer the following statement true (T) or false (F)