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The most dangerous extreme sport is BASE Jumping
Answer:
The answer is the Immune system (a).
Explanation:
The immune system consists of agents that help your body fight against pathogens and other invading substances. It has your white blood cells, enzymes, mucus, hydrochloric acid (in your stomach), and even your saliva. All these substances help make sure your body is rid of anything that may bring harm to you!
CPR is an emergency method of heart pumping in case of attacks and includes artificial ventilation. 100 compressions should be performed every minute.
<h3>What is CPR?</h3>
CPR is a cardiopulmonary resuscitation method of an emergency first aid tool used as a life-saving technique in case of heart attacks and drowning.
CPR is given to a person when the heart rate is very less and the pulse rate is very faint. The rate of the compression varies for age groups and should be given with a perfect rhythm and sync.
Cardiopulmonary resuscitation should be given as 30 compressions and then artificial breath or ventilation in between followed by another 30 compressions.
Therefore, option C. 100 compression in 1 minute is correct.
Learn more about CPR here:
brainly.com/question/1383530
B). Using improper body piercing methods
Using improper piercing (and tattooing) methods can lead to serious infection along with not taking proper care of the pierced area.
