The ______ is the major organ of the Respiratoty System.
RESPIRATORY SYSTEM

Quiz
•
Science
•
6th Grade
•
Medium
JEN TIRANO
Used 40+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
heart
kidneys
skin
lungs
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When we inhale our chest __________.
contracts
expands
relaxes
both A and C
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The process of exchanging oxygen and carbon dioxide in our body is called ______.
circulation
transpiration
respiration
excretion
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following organ in NOT part of Upper Respiratory Tract?
nasal cavity
nose
alveoli
pharynx
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
It filters incoming air to filter larger foreign material
and moistens and warms incoming air
Upper Respiratory Tract
Lower Respiratory Tract
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
It warms and moistens air that produce sticky mucus to trap dust, pollens and other particles that were not trapped by nasal hairs.
mouth
nasal cavity
epiglottis
bronchioles
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tiny, thin-walled, grapelike clusters at the end of each bronchiole where carbon dioxide and oxygen exchange take place.
bronchi
trachea
alveoli
larynx
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