9A/5B.2 Human Respiratory System

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Biology
•
11th Grade - University
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the primary function of the alveoli in the human respiratory system?
Back
The primary function of the alveoli is to facilitate gas exchange, allowing oxygen to enter the blood and carbon dioxide to be expelled from the blood.
2.
FLASHCARD QUESTION
Front
What process do cells use to release energy from food using oxygen?
Back
The process is called cellular respiration.
3.
FLASHCARD QUESTION
Front
What is the structure that connects the throat to the lungs and is kept open by cartilage rings?
Back
The structure is the trachea.
4.
FLASHCARD QUESTION
Front
What are the clusters of tiny air sacs in the lungs called?
Back
They are called alveoli.
5.
FLASHCARD QUESTION
Front
What is the main organ of the respiratory system that is made up of spongy, elastic tissue?
Back
The main organ is the lungs.
6.
FLASHCARD QUESTION
Front
What is the role of the diaphragm in the respiratory process?
Back
The diaphragm contracts and relaxes to help draw air into the lungs and push it out.
7.
FLASHCARD QUESTION
Front
What is the term for the exchange of gases between the alveoli and the blood?
Back
The term is diffusion.
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