The diagram below represents a section through a human tooth.

(a) (i) Name the type of tooth shown.
(ii) Give a reason for your answer in (a) (i) above
(b) State the functions of the structures found in part labeled J

Answer:

a) i) Pre-molar tooth

ii)-Presence of two roots
-Presence of cusps of the crown

b)-J has nerve cells that increase sensitivity of the tooth to different temperature and pressure.
-J has a blood vessel that provides nourishment to the tooth and remove waste products

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(a) (i) Name the type of tooth shown.
(ii) Give a reason for your answer in (a) (i) above
(b) State the functions of the structures found in part labeled J