Answer: Yes the ozone layer sits at the top to protect us from harmful UV rays from the sun.
Explanation:
Active immunity
Active immunity is when something triggers an immunity system to produce antibodies, this something being a vaccine. Hope this helps!
Answer:
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Explanation:
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Answer:
Night terrors
Explanation:
Night terror is a type of Parasomnia that occurs during deep sleep. It is called sleep terror, and it is mostly common among young children. The individual usually wakes suddenly with a deep sense of fear and confusion. The sufferer usually do not remember what made them to wake up suddenly in such confused and panic state. Individuals who suffer from night terror may engage in unconscious body movements.
Answer:
There are five principles of fitness out of which two are overload principle and rest and recovery principle. Overload principle is one of the most important principle which tell that to gain and improve the fitness one should do the hard work.
Slowly and gradually the intensity and time of exercise are increased so that our body can adapt to the hard work. Overload principle plays an important role in improving the skills and improving performance during exercise and sports.
Rest and recovery principle is important to relax the body and release the stress that happens due to intense training like in case of weight lifting one day rest should be taken to repair and rebuild the muscles. This allows the body to encounter the fatigue and improve performance.
