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 :)
you should consider how much and what type of exercises to do. And you should make sure to stretch before each excerise session.
They are all located in the dermis.
Answer:
Oh boy, here we go again.
Explanation:
Go kill Claire
Answer:
B. Emotions can be accepted and expressed in a healthy way.
Explanation:
Had the same question on a quiz last week <3
