

Gas Exchange in Humans
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Easy
Stephen Kulali
Used 1+ times
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44 questions
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1.
FLASHCARD QUESTION
Front
Correct sequence of air passage into the lungs?
Back
larynx → trachea → bronchi → air sacs
2.
FLASHCARD QUESTION
Front
Correct sequence of air passage into the lungs?
Back
larynx → trachea → bronchi → air sacs
3.
FLASHCARD QUESTION
Front
What is the importance of the mucus in the nasal cavity?
Back
It helps remove dust from the incoming air.
4.
FLASHCARD QUESTION
Front
Which feature of the respiratory tract helps to warm the inhaled air?
Back
The wall of the nasal cavity is richly supplied with capillaries.
5.
FLASHCARD QUESTION
Front
Which of the following structures is supported by cartilage? aorta, oesophagus, bronchus, vena cava
Back
bronchus
6.
FLASHCARD QUESTION
Front
Which of the following correctly describes the functioning of the human breathing system?
Back
The diaphragm muscle contracts during inhalation. Explanation: During inhalation, the diaphragm contracts and moves downward, increasing the volume of the thoracic cavity and allowing air to flow into the lungs.
7.
FLASHCARD QUESTION
Front
Which statement about breathing is correct?
Back
The contraction of the diaphragm muscles causes the lungs to expand.
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