Chapter 12 - Respiratory System - Gases Exchange Flashcards
What is the Bronchioles?
the bronchioles narrow down into air sacs called alveoli
How many Alveoli (singular alveolus) are present in the lungs?
about 300 million alveoli are present in the lungs.
What is Erythrocytes?
What does it do?
(red blood cells) in the blood
carry oxygen away from the lungs to all parts of the body and carbon dioxide back to the lungs for exhalation.
What is Alveolic lined with and what does it permit it to do?
lined with a thin layer of epithelium which permits an exchange of gases between the alveolus and the capillaries.
Blood flowing through the ______ accepts _______ from the ______and then deposits__________back into the______.
Blood flowing through the capillaries accepts oxygen from the alveolus and then deposits carbon dioxide back into the alveolus.
