Biology
Name the following parts of a tooth :
- Part exposed above the gum.
- The hard substance making the covering of the tooth.
- The soft connective tissue contained in the central space of the tooth.
- Bone-like structure fixing the root in position.
- Slight constriction between the root and the crown.
Related Questions
Given below is a jumbled sequence of the different parts of the human alimentary canal. Rewrite them in correct sequence.
Stomach, Oesophagus, Large intestine, Small intestine, Pharynx.
Give the technical names for the following types of teeth in humans (on each side, in each jaw)
- The three last grinders.
- The pointed tooth for holding and tearing.
- The broad sharp cutting teeth.
- The two temporary (deciduous) grinding teeth.
Mention if the following statements are true or false:
- Saliva moistens and lubricates food.
- Saliva contains a protein-digesting enzyme.
- Saliva tends to destroy germs in the mouth.
- Peristalsis occurs through all regions of the gut.
- The food in stomach stays for about 10 hours.
- Gastric juice is alkaline.
- Gastric juice contains pepsinogen.
Name the three salivary glands.