What is the main reason our bodies expel substances like boogers?

Understanding Boogers and Mucus

Interactive Video
•
Biology, Science, Life Skills
•
3rd - 5th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To improve digestion
To keep the body hydrated
To remove unnecessary waste
To regulate body temperature
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are some of the tiny particles that can enter our bodies when we breathe?
Water droplets
Dust and pollen
Food particles
Sunlight
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of mucus in the respiratory system?
To cool down the body
To enhance taste
To aid in digestion
To trap and remove particles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do cilia help in the respiratory system?
They sweep mucus to the throat
They filter blood
They absorb oxygen
They produce mucus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to mucus when the air is dry?
It becomes more watery
It dries and forms boogers
It turns into liquid
It evaporates
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to blow your nose instead of picking it?
To avoid spreading germs
To save tissues
To improve breathing
To enhance smell
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can cause mucus to change color?
Type of food eaten
Temperature changes
Amount of water intake
Presence of blood or cells
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