Question

1.5 and 1.6 the digestive system
1 use the clues below to complete the crossword puzzle about the digestive system.
across

1. is the undigested waste from the body.
2. food is chewed in the
3. are obtained from the foods we eat.
4. proteins are broken down to
5. the is the size of a fist.
6. acid is produced by the stomach.
7. the first part of the small intestine is the
8. food absorption occurs in the intestine.
9. is the removal of undigested food from the body.
10. the in digestive juices chemically break down food.

Explanation:

Based on knowledge of the digestive - system, we fill in the crossword. For clue 3, undigested waste is feces. Food is chewed in the mouth (clue 5). Nutrients are obtained from food (clue 9). Proteins break down to amino - acids (clue 10). The stomach is about the size of a fist (clue 11). Hydrochloric acid is produced by the stomach (clue 13). The first part of the small intestine is the duodenum (clue 16). Food absorption occurs in the small intestine (clue 17). The removal of undigested food is egestion (clue 18). Enzymes in digestive juices break down food (clue 20).

Answer:

1. Feces
2. Mouth
3. Nutrients
4. Amino - acids
5. Stomach
6. Hydrochloric
7. Duodenum
8. Small
9. Egestion
10. Enzymes