Science- Functioning Of Human Body

Decay ✘ Enamel ✘ Plaque ✘ Saliva ✔ None of these ✔

Regular brushing. ✘ Eating food that are high in sugar. ✘ Flossing ✘ Visiting a dentist after every 6 months. ✔ None of these ✔

Dentine ✘ Pulp ✘ Enamel ✘ Root ✔ None of these ✔

Thigh bone ✘ Elbow bone ✘ Enamel ✘ Rib ✔ None of these ✔

Enamel ✘ Root ✘ Decay ✘ Neck ✔ None of these ✔

Incisors ✘ Premolars ✘ Canines ✘ Both [a] and [c] ✔ None of these ✔

Six ✘ Two ✘ Four ✘ Three ✔ None of these ✔

Cutting and biting food. ✘ Tearing food. ✘ Cracking food. ✘ Grinding food. ✔ None of these ✔

Canines ✘ Incisors ✘ Premolars ✘ Molars ✔ None of these ✔

18 ✘ 14 ✘ 16 ✘ 20 ✔ None of these ✔