Assertion [A]: Myometrium is an important layer of the uterus.
Reason [R]: Myometrium allows the uterus to enlarge in pregnancy and causes strong contractions during parturition.
Match the following types of bones with examples:

Statement I: Volume of air inspired or expired during normal inspiration or expiration is called tidal volume.
Statement II: The volume of air that remains in the lungs after normal expiration is called residual volume.