Biology - Structural Organisation in Animals Question with Solution | TestHub

The tooth consists of three main parts: crown, neck, and root. The innermost part of the tooth is the pulp cavity, which contains the dental pulp. The dental pulp is a soft connective tissue that is richly supplied with blood vessels and nerve fibres. It provides nutrition and sensation to the tooth.

Calcium phosphate and calcium carbonate are primarily found in the enamel and dentin, providing them with hardness. Dentin is the hard, bony tissue that surrounds the pulp cavity. Cementum is a bone-like substance that covers the root of the tooth and helps anchor it to the jawbone.

Answer: blood vessels and nerve fibres