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ICSE Class 8 Answered

Is the energy spent on thinking or talking a kind of work ? Give reason for the answer.
Asked by prashadveena | 24 Jul, 2018, 05:29: PM
answered-by-expert Expert Answer
When we talk, our vocal card generate sound. Sound is a form of energy.
Hence energy from our body is utilized for the vocal hard to do some work so that sound energy is generated.
 
I do not know, when we think, are we using energy?
May be brain needs some additional blood flow to thing, hence to get additional blood flow we need energy
Answered by Thiyagarajan K | 25 Jul, 2018, 02:55: PM

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