Digestion questions and answers

 

Digestion

Question: 1- Write the name the organ through which food enters into the stomach.

Answer: Food enters into the stomach through the food pipe.

 

Question: 2- Write the name of the parts of the digestive system.

Answer: Mouth, food pipe, stomach, small intestine, large intestine, rectum are the parts of digestive system.

 

Question: 3- What is digestion?

Answer: Breaking up of the complex food materials into the simpler form is called digestion.

 

Question: 4- How many sets of teeth are formed during one’s life time?

Answer: There are two sets of teeth are formed during one’s life time.

 

Question: 5- What are milk teeth?

Answer: Milk teeth are temporary teeth. These are appear first after about one and two years of birth.

 

Question: 6- How many milk teeth one has?

Answer: There are 20 milk teeth one has.

 

 

 

 

Question: 7- What are permanent teeth?

Answer – Teeth appear after falling of milk teeth, are called permanent teeth. Permanent teeth appear between the ages of six to twelve. These are 32 in number.

 

Question: 8- How many permanent teeth one has?

Answer: There are 32 permanent teeth one has.

 

Question: 9- How many pairs of salivary glands are in the mouth?

Answer: There are three pairs of salivary glands present in the mouth.

 

Question: 10- What is the function of broad and grooved teeth?

Answer: Broad and grooved teeth help in chewing and grinding of the food.

 

Question: 11- What happens to food when it enters the stomach?

Answer: When food enters in the stomach, its walls secret digestive juice and acid. Acid kills germs and bacteria and digestive juice digest the food.

 

Question: 12- Why washing of vegetables and fruits before eating is important for us?

Answer – Because unwashed vegetables and fruits can carry germs of diseases which can cause for diarrhoea, vomiting and other diseases.

Question: 13- List the precautions that should be taken at the time of eating food.

Answer - We should wash our hand before and after eating.

We should eat balance diets.

We should chew food properly before swallowing.

We should drink plenty of water.