EVERYDAY SCIENCE

SCIENCE

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Feeling of calm
A
sympathetic
B
parasympathetic
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Your parasympathetic nervous system is a network of nerves that relaxes your body after periods of stress or danger. It also helps run life-sustaining processes, like digestion, during times when you feel safe and relaxed.

Detailed explanation-2: -There are many ways to practice using your parasympathetic nervous system. These include mild exercise, meditation, yoga, deep breathing from your diaphragm, even nature walks. For some people, traditional meditation isn’t their thing. It’s about finding your body’s way of meditating, what helps you to decompress.

Detailed explanation-3: -The parasympathetic nervous system decreases respiration and heart rate and increases digestion. Stimulation of the parasympathetic nervous system results in: Construction of pupils. Decreased heart rate and blood pressure.

Detailed explanation-4: -Breathing. We discussed how the parasympathetic nervous system slows the breathing down. But if you intentionally focus on slowing your breathing, even during moments of stress or “fight-or-flight, ” it can trigger the parasympathetic nervous system response. Practice taking slow deep breaths from the diaphragm.

Detailed explanation-5: -In the heart, parasympathetic stimulation of M2 receptors causes decreased heart rate and velocity of conduction through the AV node. In the vasculature, parasympathetic stimulation of M3 receptors leads to vasodilation. In the lungs, parasympathetic stimulation of M3 receptors leads to bronchoconstriction.

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