Question

(1) what is the meaning of skull.
(2)Define backbone .
(3)What is atoms​

Answer 1

Answer:

1)a bone framework enclosing the brain of a vertebrate; the skeleton of a person's or animal's head.

2)the series of vertebrae extending from the skull to the pelvis; the spine.

3)the smallest particle of a chemical element that can exist.

Explanation:

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Answer 2

Answer:

1.the bone structure of humans and animals head is known as skull.

2.the row of small bones that are connected together down the middle of your back is known as backbone.

3.the smallest part into which an element can be divided.

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