Consider the following statements regarding digestion and absorption in mammals. Identify whether they are true or false and select the correct option accordingly.
$I.$ Both Kupffer's cells and Glisson's capsule are characteristics of the mammalian liver.
$II.$ In dentition,thecodont means that teeth are embedded in the socket of jaw bones.
$III.$ There are three pairs of salivary glands in human beings; out of them,the parotid,situated beneath the tongue,is the smallest salivary gland.
$IV.$ Zymogens (inactive forms of enzymes) are not the secretions of peptic cells.

  • A
    All statements are true.
  • B
    All statements are false.
  • C
    $I$ and $II$ are true while $III$ and $IV$ are false.
  • D
    $III$ and $IV$ are true while $I$ and $II$ are false.

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