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 :)
The cancellation procedure she does not need to follow is to be at the venue at the time the event had been scheduled to start and remain there for 30 minutes in case any consumer arrives. Option A. This is further explained below.
<h3>What is
the cancellation procedure?</h3>
Generally, the action of canceling, or a specific instance of canceling The game was called off because of the poor weather conditions.
In conclusion, She does not have to follow the cancellation protocol, which is to be at the venue at the stated start time and wait there for 30 minutes in case any customers come.
Read more about the cancellation procedure
brainly.com/question/21506116
#SPJ1
No there are 4 pre early middle and late
Always perform a self check. It is typically recommended you do it while in the shower.
