Join ExamsbookAnswer : 1. "adrenaline"
The rate of heartbeat is accelerated by the hormone5
Q: The rate of heartbeat is accelerated by the hormone
- 1adrenalinetrue
- 2acetylcholinefalse
- 3thyroxinefalse
- 4pituitrinfalse
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Answer : 1. "adrenaline"
Explanation :
Answer: A) adrenaline Explanation: The hormone adrenaline also called epinephrine is known as a stress hormone. In emotional upsets( like fear, anger etc.) this hormone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.
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