जॉइन Examsbookउत्तर : 1. "adrenaline"
The rate of heartbeat is accelerated by the harmone5
प्र: The rate of heartbeat is accelerated by the harmone
- 1adrenalinetrue
- 2acetylcholinefalse
- 3thyroxinefalse
- 4pituitrinfalse
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उत्तर : 1. "adrenaline"
व्याख्या :
Answer: A) adrenaline Explanation: The hormone adrenaline also called epinephrine is known as a stress harmone. In emotional upset (like fear, anger etc.) this harmone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.
समान प्रश्न
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.