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 $$(Ca^{2+} )$$ is stored in __________

(e) __________ and __________ pairs of ribs are called floating ribs.

(f) The human cranium is made of __________ bones

Asked by Pragya Singh | 11 months ago |  138

##### Solution :-

(a) All mammals (except a few) have seven cervical vertebrae.

(b) The number of phalanges in each limb of a human is 14.

(c) The thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely troponin and myosin.

(d) In a muscle fibre $$(Ca ^{2+})$$ is stored in the sarcoplasmic reticulum.

(e) 11th and 12th pairs of ribs are called floating ribs.

(f) The human cranium is made of eight bones.

Answered by Pragya Singh | 11 months ago

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