Grade 11 Biology: Tooth Structure Worksheet
Explore the intricate anatomy of the human tooth, including its various layers, tissues, and functions, with this comprehensive Grade 11 biology worksheet.
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Grade 11 Biology: Tooth Structure
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Read each question carefully and answer to the best of your knowledge. Refer to the provided diagram where necessary.
Observe the diagram of the human tooth cross-section below to answer the following questions.
1. The outermost layer of the tooth, which is the hardest substance in the human body, is called the .
2. Beneath the enamel lies the , a bone-like material that makes up the bulk of the tooth.
3. The softest, innermost part of the tooth, containing nerves and blood vessels, is known as the .
4. The specialized connective tissue that covers the root of the tooth and helps anchor it to the jawbone is the .
5. Which of the following is NOT a primary function of the pulp?
Nourishment of the dentin
Sensory reception (pain, temperature)
Formation of new enamel
Formation of secondary dentin
6. The crown of the tooth is covered by:
Cementum
Dentin
Enamel
Pulp
7. Enamel is capable of self-repair due to its high cellular content.
True
False
8. The periodontal ligament helps to absorb the shock of chewing.
True
False
9. Describe the main differences in composition and function between enamel and dentin.
10. Explain the role of the pulp cavity in maintaining the health and vitality of a tooth.
Match each term on the left with its correct description on the right.
11. Gingiva
a. The visible part of the tooth above the gum line
12. Crown
b. The living tissue that surrounds the neck of the tooth
13. Root
c. The part of the tooth embedded in the jawbone
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