2. When the left ventricle relaxes, the aortic valve closes and the mitral valve opens. This lets blood flow from the left atrium into the left ventricle.
4. Quickly shocking the heart with an automated external defibrillator (AED) can save a person's life after cardiac arrest. An AED is a portable, battery-operated device that a bystander can use. It checks the heart rhythm and can send an electric shock to the heart to try to restore a normal rhythm.
5. High blood pressure can damage your arteries by making them less elastic, which decreases the flow of blood and oxygen to your heart and leads to heart disease. In addition, decreased blood flow to the heart can cause: Chest pain, also called angina.
hope this helps :)
Depressants slow (depress) the nervous system which slows the brain and body reactions
<span>The words that best describes the process that causing the difference in temperature is : HomeoStatis
Homeostasis refer to our body's capability to maintain the state of equilibrium. As a form of defense mechanism , our body will always make an effort to maintain the condition of our body (such as its temperature and humidity) exactly as it is in our normal condition. If our body fail to do this, we might experience some organ system failure</span>
Okay, warning: (COULD BE WRONG) Just to help you out I think 3, 5, and 6, are correct. (COULD BE WRONG, YOU MIGHT GET A LITTLE CREDIT)
