BIOLOGY Fill in the blanks.

The human teeth appear in two sets, the first set is called primary which consists of only twenty teeth

The premolars and molars are used for crushing and grinding the food.

The canines are used for tearing the food.

Incisors are used for biting and cutting the food.

Molars are meant for crushing the food.

The pharynx is a common opening of food pipe and windpipe

The teeth called canines are a total of four in number on the sides of incisors

The teeth called are a total of four in number on the sides of incisors

Removal of undigested food is called egestion.

Liver and Pancreas help in digestion but food does not pass through them.

Pepsin acts on proteins to change them into proteoses and peptones.

Peristalsis is caused by the wave-like motion of muscles in the food pipe.

Saliva contains salivary amylase which changes starch to maltose

Steapsin is also called lipase.

Grinding of food is brought about by premolars and molars.