Multiple choice

Why mammals and birds are called warm-blooded animals?

  1. Because their blood is warm.

  2. Because their body releases heat.

  3. Because their body maintains a particular temperature.

  4. Because their body absorbs heat from surroundings.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Birds and mammals are warm-blooded animals. That means their body maintains a particular temperature irrespective of the temperature of their surroundings.

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