Answer: Social networking Web sites
Explanation:
Social networking web sites are online sites that provide a social platform to people for interaction, communication,exchanging messages, photos, videos, etc .Through these sites people stay in touch and establish contacts with new people .
It is also a platform where brands and advertisements can be promoted so that the users can get to know about it. It produces network of people through social media.Some social networking sites are LinkedIn,Tumblr etc.
During a race, a long-distance runner twisted his ankle. He finished the race without feeling any pain in his ankle. This lack of the perception of pain could be the result of an increase in Beta-endorphin.
<h3>What is
Endorphin?</h3>
- Beta-endorphin is a type of Endorphin.
- Your body releases endorphins as chemicals (hormones) in response to pain or stress.
- They are also released during enjoyable activities including sex, eating, massages, and exercise.
- Endorphins aid in pain relief, stress reduction, and overall wellbeing.
- Your pituitary gland and hypothalamus, both of which are found in the brain, produce endorphins.
- Your body's neurotransmitters, or messengers, include endorphins. They transmit signals throughout your nervous system by connecting to the opioid receptors in your brain's reward regions.
- When your body experiences stress or pain, endorphins are released.
- Endorphins are released by your body to aid in survival. Your body's nerves send signals to your brain when you experience pain.
- Endorphins are released by your brain to inhibit the nerve cells that receive pain signals.
- Your pain is essentially turned off by this. It enables you to function even under trying or terrible circumstances. You're more inclined to act if it makes you feel good since you naturally try to avoid discomfort.
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Option 3: children given water to drink
Answer:
Explanation:
A control group in an experiment is a group separated from the rest of the experiment where the independent variable being tested is not exposed. It is the group not receiving the treatment.