Answer:
Caffeine is a central nervous system stimulant of the methylxanthine class. It is the world's most widely consumed psychoactive drug. Unlike many other psychoactive substances, it is legal and unregulated in nearly all parts of the world. There are several known mechanisms of action to explain the effects of caffeine.
Cocaine is a tropane alkaloid and stimulant drug obtained primarily from the leaves of two coca species, Erythroxylum coca and Erythroxylum novogranatense. It is most commonly used as a recreational drug and euphoriant
Amphetamine is a central nervous system stimulant that is used in the treatment of attention deficit hyperactivity disorder, narcolepsy, and obesity. Amphetamine was discovered in 1887 and exists as two enantiomers: levoamphetamine and dextroamphetamine.
Individual sports have a favorable impact on social health because they allow athletes to develop friendships with rivals.
<h3>What is benefit of participating in individual sport ?</h3>
- Athletes that participate in individual sports develop greater degrees of independence, discipline, and zeal. Winning or losing is all up to you, and every competition is a chance to beat your personal best.
- Your decisions will determine whether you succeed or fail. As a result of knowing that you can succeed on your own merits, this might boost your independence and self-confidence in many facets of your life.
- Without teammates to rely on or with whom to share the burden of defeat, you may become more self-aware and motivated to put in more effort to win.
- Tennis and other individual sports have also been shown to be extremely beneficial for kids with attention deficit disorder, as well as other sensory or socialization disorders. These activities improve focus, foster physical activity, and help people build self-esteem.
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ventilation mask (with oxygen inlet) is <span>The preferred oxygen delivery device to use when providing emergency oxygen to a non-breathing person.
A ventilation mask with an oxygen inlet is consist of a pump that allow another person to pump the air into the non-breathing person's lung.
Other form of oxygen delivery device require the user to directly breath in to the device, which will be impossible of that person is non-breathing condition.</span>
