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State TWO roles of the tongue in digestion process

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3 stepsb) Quinine is economically important as an antimalarial drug, used to treat malaria.
- a) State the differences between herbivores and carnivores in terms of the following dental features:
| Dental Feature | Carnivores | Herbivores | | :---------------- | :--------------------------------------- | :--------------------------------------- | | Canine | Long, sharp, pointed for tearing flesh | Reduced or absent, or blunt for grinding | | Carnassial Tooth | Well-developed, sharp for shearing meat | Absent | | Molar | Sharp, pointed for crushing bones | Broad, flat, ridged for grinding plants |
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Name the nutrient important in the following: i) Impulse transmission: Sodium (or Potassium) ii) Haemoglobin formation: Iron
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State TWO roles of the tongue in the digestion process: • It mixes food with saliva to form a bolus. • It pushes the bolus towards the pharynx for swallowing.
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b) Quinine is economically important as an antimalarial drug, used to treat malaria.