Q 1965101065.     Fill in the blank spaces :
(a) All mammals (except a few) have .............. .cervical vertebra.
(b) The number of phalanges in each limb of human is ...............
(c) Thin filament of myofibril contains 2 'F' actins and two other proteins namely............... and .............. .
(d) In a muscle fibre `Ca^(++)` is stored in .............. .
(e) ............... and ............... pairs of ribs are called floating ribs.
(f) The human cranium is made of ...............bones.

NCERT Chapter Solution 20/10

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