An Average Hummingbird's heart rate per minute is __________.
Correct answer: D. more than 1200 times
- A. 500 times
- B. 1000 times
- C. more than 1000 times
- D. more than 1200 times
Explanation
A hummingbird's heart can beat at about 1,200 times per minute during intense activity, far faster than the human heart. Its rate varies with rest, flight and exertion.
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