Write true or false. If false change the statement so that it is true.
a) Actin present in thin filament
b) H-zone of striated muscle fibre represents both thick and thin filaments
c) Human skeleton has 206 bones
d) There are 11 pairs of ribs in man.
e) Stenum is present on the ventral side of the body.

a) All mamnals (expect 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.