The chamber within a tooth that contains blood vessels and nerves is the
a) pulp cavity.
b) periodontium.
c) cementum.
d) dentin.
e) enamel.

The correct answer is A) pulp cavity

Explanation:

Pulp cavity is present in the center of the tooth and is a soft portion which contains connective tissue, blood vessels and nerves. These nerves enters from the root of tooth and reaches to pulp cavity.

As the pulp cavity contains nerves it plays important part in sensory function and is responsible sensation of pain, temperature and pressure. Tooth cavity is located deep in the tooth so they are protected from any infection.

Infection can occur if any damage to tooth enamel and dentin occurs.  Both pulp cavity and dentin is made by dental papilla and together called endodontium.

5. method

15. communicate, transport

18. component

21. learn

22. preceding

23. display

24. area

25. anomalous, unusual, unconventional