EXCRETORY SYSTEM
EXCRETORY SYSTEM ALL QUESTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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saliva
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enzymes
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juices
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None of the above
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Detailed explanation-1: -Saliva is 99% water and 1% protein and salts. The normal daily production of saliva varies between 0.5 and 1.5 liters. The whole unstimulated saliva flow rate is approximately 0.3-0.4 ml / min.
Detailed explanation-2: -Saliva is Mostly Water Saliva is composed of 98% straight water; the remaining 2% is composed of other substances including mucus, proteins, minerals, electrolytes, antibacterial compounds and enzymes.
Detailed explanation-3: -If you’re wondering what saliva is made of, it’s 99% water. This is no surprise considering the body is made of 60% water. The remaining 1% of saliva contains digestive enzymes, uric acid, electrolytes, mucus-forming proteins, and cholesterol.
Detailed explanation-4: -Salivary amylase accounts for 40 to 50% of protein in human saliva and rapidly alters the physical properties of starch.