The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach. Organ systems, such as the nervous system, support ...

Automated external defibrillators (AEDs) and cardiopulmonary resuscitation (CPR) are the perfect tools for aiding a cardiac arrest victim while awaiting emergency medical assistance. Quick action ...