Test your knowledge! 1. _________ covers the crown of a tooth. 2. The deepest part of the tooth is called the _________. This area forms a cavity filled with blood vessels and nerves.

Answer

1. The answer is Enamel. Tooth enamel is the thin, outer layer of the hard tissue on the crown of the tooth. It is the hardest substance in the human body and protects the inner layers from decay and sensitivity. 2. The answer is Pulp. The dental pulp is the innermost part of the tooth, located beneath the dentin. This central cavity contains living connective tissue, blood vessels, and nerves that provide nutrients and signals to the tooth.