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CBSE Class 10 Answered

why our heart pumps much  faster when we are afaid if something,or when we are very much exited.
Asked by ABHILASHA | 14 Jul, 2018, 08:40: PM
answered-by-expert Expert Answer
The fight and flight hormone known as adrenaline is released in our body which in results increases our heart beat. When the hormone is released, it increases the blood circulation through our muscles providing energy to cope up from the situation.
Answered by Sivanand Patnaik | 15 Jul, 2018, 04:29: PM
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