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प्रश्न
Name the types of teeth seen in humans.
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उत्तर
Human teeth are of four kinds:
- Incisors are the four front teeth at the middle of each jaw. They are chisel-shaped for biting and cutting.
- Canines are one on either side of the incisors in each jaw. They are pointed for tearing the food.
- Premolars are two on each side of canines in each jaw. They help in crushing and grinding the food.
- Molars are the last three teeth on each side in each jaw. They have a broad uneven surface for finer crushing and grinding of ingested food.
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संबंधित प्रश्न
The process of digestion of food in humans begins in:
(a) stomach
(b) food pipe
(c) mouth
(d) small intestine
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
State the total number of teeth present in the dentition.
State the four ways in which saliva is useful to us.
State whether the following statements are True or false: Enteropeptidase activates pepsinogen into pepsin.
Correct the spellings: Pespin
Appendix is a vestigial organ in humans and functional in herbivorous animals for the digestion of ____________.
Identify the part of the digestive system which is vestigial in humans?
What are the compounds present in the food?
______ is a major organ for the digestion of food materials.
Label the following parts in Figure and name them.
- The largest gland in our body.
- The organ where protein digestion starts.
- The organ that releases digestive juice into the small intestine.
- The organ where bile juice gets stored.
