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 :)
C. H<span>ow hard a person works to do an activity.
Intensity has to do with effort. If a person works hard than they are intense, if vise versa than they are not intense.</span>
Answer:
True... because bonds must be broken before the atoms can be formed into new bonds.
<em>Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!</em>
TRUE. Inefficient problem-solvers go through the same cycle as efficient problem solvers, but with a low level of stress.
<h3>What does it mean to be an effective problem solver?</h3>
A skilled problem-solver can recognize all parties involved, encourage them to participate, and actively listen to various viewpoints in order to comprehend the problem, its core cause, and feasible solutions. Analytical thinking aids in the investigation and understanding of an issue and its causes.
An inefficient problem solver doesn't find a good solution of any problem as they cant break any problem in any subparts and even get many more problems.
Learn more about problem solver here:
brainly.com/question/9878901
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The answer is stress can lead to increased vulnerability to infections and immune deficiency disorders. It can also raise heart rate pulse
Mark me brainliest plzz:))