Question

Write true or false. If false change the statement so that it is true.
(a) Actin is 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) Sternum is present on the ventral side of the body.​

Answer 1

(a) True

(b) False – H-Zone of striated muscle fibres represents only thick filaments.

(c) True

(d) False – There are 12 pairs of ribs in man.

(e) True

Answer 2

Explanation:

a True

b False - H-zone of striated muscle fiber contains only thick filaments.

c True

d False - 12 pairs

The vast majority of people are born with 12 pairs of ribs, for a total of 24, no matter their gender

e False - The sternum, or breastbone, is a flat bone at the front center of the chest.

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