How many milky teeth or primary teeth does a human have?
Correct answer: B. 20
- A. 33
- B. 20
- C. 15
- D. 32Health
Explanation
Children have 20 primary teeth, arranged as 10 in the upper jaw and 10 in the lower jaw. Students may choose 32 because that is the usual number of permanent adult teeth, not primary teeth.
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The human skeleton provides support, protects organs, enables movement with muscles and stores minerals while bone marrow produces blood cells. Questions cover the axial and appendicular skeleton, types of bones and joints, cartilage, ligaments and tendons, and the difference between fixed, slightly movable and freely movable joints.
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