Question

Complete the crossword with the help of the clues provided.

Across

2. The tube that connects the stomach to the mouth.

3. Part of the throat which is a common passage for food and air.

5. Finger-like projections in the small intestine.

7. The process by which absorbed food is utilised.

11. Undigested food gets stored in it.

12. The teeth that help in tearing the food.

13. It is secreted by salivary glands.

15. Trypsin is secreted by this gland.

Down

1. The process by which undigested food is removed from the body.

4. Animals which chew the cud.

6. Chewing of food.

8. Flat teeth which help in biting.

9. This part of digestive track secrets hydrochloric acid.

10. This enzyme is present in saliva.

14. It produces bile.

Accepted Answer

Across

2. Oesophagus: It is a long, thin, and muscular tube that connects the pharynx (throat) to the stomach and transports food into it through peristalsis.
3. Pharynx: It is a common passage for the food and the air.
5. Villi: These are finger-like projection present in the inner wall of the small intestine.

7. Assimilation: It is the movement of digested food nutrients into the cells of the body where they are used.
11. Rectum: It is the final section of the large intestine, terminating at the anus. It stores faecal matter produced in the colon.
12. Canine: They are sharp, pointed tooth located between the incisors and premolars in each jaw. They help in tearing the food.
13. Saliva: It is produced by the salivary gland and contains amylase enzyme.
15. Pancreas: It is a large gland behind the stomach which secretes digestive enzymes into the small intestine. They help in the digestion of various food components into their simplest forms.

Down

1. Egestion: It is the discharge of undigested food material from the anus. Indigestible materials are pushed from the small intestine to the large intestine by peristalsis.
4. Ruminants: Grass eating animals like cows, buffaloes are called ruminants because they have a separate part of the stomach called rumen from where regurgitation of food occurs for complete digestion.
6. Mastication: It is the process by which food is crushed and grounded by the teeth. It is the first step of digestion.
8. Incisors: These are the front teeth. Their primary function is to cut and bite food.

9. Stomach: It is a muscular organ located on the left side of the upper abdomen. The stomach receives food from the oesophagus. It also releases acid along with some enzymes that aids in digestion.
10. Amylase: It is an enzyme present in the saliva. The function of amylase is to break down starch into maltose, a two-sugar molecule made of glucose.
14. Liver: It is the largest gland of our body. It filters the blood coming from the digestive tract, before passing it to the rest of the body. It produces bile and releases it into the small intestine helping in the digestion of fats.

Important Questions on Nutrition in Animals

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