Multiple choice

Why are humans called 'vertebrates'?

  1. As they give birth to young ones.

  2. As they have a backbone.

  3. As they are warm blooded animals.

  4. As they have lungs to respire.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Humans are called 'vertebrates' as they have a line of bones running along their back called the backbone or vertebral column.

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