Which of the following is $NOT$ a function of the skeletal system?

Which teeth fall out in mammals?

Which of the following statements is correct?

Write true or false. If false,correct the statement to make it 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.

Analogy type questions:
$(1)$ During muscle contraction,the $A$-band does not change in length.
$(2)$ The $8^{th}$,$9^{th}$,and $10^{th}$ pairs of ribs are attached to the $7^{th}$ pair of ribs with the help of hyaline cartilage. Identify the terms.

The teeth of a rabbit are . . . . . . .