

Digestive and Excretory System Insights
Interactive Video
•
Biology
•
6th - 10th Grade
•
Hard
Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of saliva in the digestive process?
To cool down the food
To lubricate the food for easier swallowing
To break down proteins
To break down starches and sugars
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH level of the stomach?
Around 7
Near 5
About 3
Approximately 10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of nutrients is absorbed in the small intestine?
70 to 75%
80 to 85%
90 to 95%
60 to 65%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for breaking down lipids in the small intestine?
Lactase
Lipase
Pepsin
Amylase
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of the excretory system?
To produce hormones
To digest food
To circulate blood
To maintain homeostasis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do the kidneys filter out of the blood?
Blood cells and platelets
Nutrients and vitamins
Nitrogen waste, salts, and water
Oxygen and carbon dioxide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many kidneys are humans born with?
Four
Three
Two
One
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