jthe answer is I know and don't ask me how I know this
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.
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Answer – D. Development
Maintaining good contact in a relationship is a very important human relations skill. It is also known as the development of a relationship because if there is no good contact, there will be no relationship, and if there is low contact, it hampers the development of the relationship.
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Answer: Eat lots of vegetables, and not too much sewwt things like ice-cream and lollies. Always put on sunscreen when you go outside, to make sure you dont get burned by the sun.
Explanation:
