Answer: true
Explanation: Time is very important when an unconscious person is not breathing. Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use. Hope this helps
Answer:
it may improve the neural efficiency pls mark brainliest if correct Ty!
Self harm is a very unhealthy way to deal with stress, anxiety, and any other type of unusual situation. It can be very dangerous to your health and leave permanent damage on your body and soul. If you know anyone who is self harming be sure to tell an adult and be as supportive as you can. You never know what someone might be going through! :)