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The cranium is formed of 8 bones. They a...

The cranium is formed of 8 bones. They are

A

1 frontal, 2 parietals, 1 occipital,2 temporal, 1 sphenoid and 1 ethmoid

B

1 frontal, 1 parietal, 2 occipitals, 1 temporal, 2 sphenoid and 1 ethmoid

C

2 frontals, 1 parietal, 1 occipital, 2 temporals, 1 sphenoid and 1 ethmoid

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A
There are 8 cranial bones in the skull are:
Ethmoid bone (1) Parietal bone (2)
Frontal bone (1) Sphenoid bone (1)
Occipital bone (1) Temporal bone (1)
Procoelous vertebrae are concave on the anterior side and convex on the posterior side of the centrum.
Ex. : Anuron and reptiles.
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Assertion:The cranium encloses the brain during life Reason:The eight cranium bones fit together by wavy immovable joints.