Q959
The rate of heartbeat is accelerated by the hormone
A.
Adrenaline
AnswerB.
Acetylcholine
C.
Thyroxine
D.
Pituitrin
Answer: Option A
Solution
Answer: Option A
Solution:
The rate of heartbeat is accelerated by the hormone. 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.