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 :)
Answer:
Virus
Explanation:
According to Dmitri Ivanovsky, Virus are the smallest pathogens. In fact, some of them actually infect bacteria too.
<u>-TheUnknownScientist</u><u> 72</u>
Answer:
The answer is C: playing video games
Explanation:
Answer:
Jennifer can manage her time better by having a specific homework time. Maybe 2 hours a day then take a break. Don't stress about it while she is at work.
Her friends probably could see if she needs any help.
find times you are free and do something you like then after you feel refreshed fix your schedule you have work from lets say 3:00-6:00 PM well work on homework from 7:00-8:00 PM and eat dinner once you get back from work!
Explanation:
Hope this helped have a wonderful day! :))
