How many pairs of ribs are false and why?

Three pairs of ribs are called false ribs or vertebronchondral ribs. These are 8th, 9th and 10th pairs. 
The false ribs are so called because they do not articulate directly with the sternum but join the seventh rib with the help of hyaline cartilage.
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What is the origin of muscle ?

Muscle is of mesodermal origin.
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Name the types of muscels on the basis of their locations.


On the basis of location the muscles can be of three types :

i. Skeletal.
ii Visceral and
iii. Cardiac.

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Which bones make up the ear ossicles?

The ear ossicles are made up of three tiny bones namely
i. Malleus
ii. Incus
iii. Stapes.
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Why is muscle fibre a syncitium?

Muscle fibres are syncitium as the sarcoplasm of the muscle fibre contains many nuclei.
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