the heart rate is increased during exercise determines intensity
Before lab drink water and/or eat something to avoid fainting or feeling light-headed in the lab room.
If you want to stay hydrated and avoid fainting then drink plenty of water.
Water is essential part of the human body as the human body carries around 60% of water.
A person can survive only 4-5 days without water.
Water is crucial for the proper functioning of the body as it washes away the fluid from the body, regulates body temperature, and also transports nutrients from one part of the body to the other.
It is also necessary for food digestion and for other important metabolic reactions.
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In the event of someone having a seizure, they shouldn't necessarily be left alone but they shouldn't be handled, either. They should be supervised to ensure they are not hurting themselves. Someone should call 911, first and foremost, as the Paramedics have medications that can stop the seizure.
Secondly, if a person is seizing and is making motions that will hurt them (i.e. banging their head on the floor-unintentionally) someone should get a pillow and use their hands to support their head to prevent them from doing so, as a head injury could further complicate a seizure.
Lastly, never stick ANYTHING in a seizing person's mouth. Swallowing the tongue is not possible, as old myths suggests. They may turn blue if the seizure is prolonged. This is a normal variance because the seizing person cannot breath during a seizure. So, making sure 911 is called first is the most important part other than to making sure that they're not hurting themselves.