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enzyme in saliva which breaks down the polysaccharide walls of many kinds of bacteria thus providing protection against infection
break down larger particles of food into smaller pieces through mechanical digestion
functions to moisten food, making it easier to chew, and begins chemical digestion through hydrolysis
crystalline bodies formed by normal or abnormal bile components
colon cancer or bowel cancer
lysozyme saliva gallstones teeth colorectal cancer

Explanation:

1. Lysozyme is an enzyme in saliva that breaks - down the polysaccharide walls of many kinds of bacteria, providing protection against infection.
2. Teeth break down larger particles of food into smaller pieces through mechanical digestion.
3. Saliva functions to moisten food, making it easier to chew, and begins chemical digestion through hydrolysis.
4. Gallstones are crystalline bodies formed by normal or abnormal bile components.
5. Colorectal cancer refers to colon cancer or bowel cancer.

Answer:

1. Lysozyme: enzyme in saliva which breaks down the polysaccharide walls of many kinds of bacteria thus providing protection against infection
2. Teeth: break down larger particles of food into smaller pieces through mechanical digestion
3. Saliva: functions to moisten food, making it easier to chew, and begins chemical digestion through hydrolysis
4. Gallstones: crystalline bodies formed by normal or abnormal bile components
5. Colorectal cancer: colon cancer or bowel cancer