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Anatomy

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During diffusion, oxygen in the lungs moves into the___________, and carbon dioxide in the blood moves into the____________. The lungs then exhale the ___________ back to the ______________. .
Each lobe is divided into. _________________.Each segment receives air from its ______________ and receives blood from its ____________________.
The heart's pulmonary system sends blood low in ___________ and high in _________ to the ___________ where oxygen is _______________ and carbon dioxide is__________.
The following diagram shows gas exchange in the lungs. Gas exchange in the lungs occurs by __________, which is a ___________ mechanism.
The rate of diffusion is directly proportional to the ______________ involved and the_______________________ and is inversely proportional to the ________________.For example, the rate of diffusion increases if the distance between the blood cells and the alveoli is decreased.
Ventilation occurs as a combination of _______________________ and _____________________.
The right and left bronchi subdivide into smaller and smaller tubes called
The process of bringing oxygen into the lungs is known as _____________and exchanging the gas oxygen with the gas carbon dioxide in the lungs is _________________________.
Concentration of carbon dioxide is reversed in their location compared to oxygen levels. Capillaries contain high levels of ____________, while alveoli contain high levels of _________ and a low concentration of ___________; therefore, carbon dioxide diffuses into the_________ _and oxygen into the blood __________.
Each lung is contained within a tough, protective double membrane called the _________________ and contains _______________.
Molecules move from regions of _________ concentration to regions of _________ concentration.
The right lung has___________ lobes: the _________________________________.
When the heart's pulmonary vessels enter the lungs, the blood has a low concentration of ___________, whereas the recently inhaled air in the alveoli has a high concentration of _____________ in comparison to the capillaries.
"Lateral" and "medial" are used to determine which structure is ___________________________, which divides a body into __________________.
Air continues to the first division of the trachea: ___________________________. The air in the right bronchus continues to the______________; the air directed to the left bronchus continues to the __________.
The rib cage is _____________ to the sternum (breastbone), whereas the sternum is __________ to the ribcage.
Several structures shown in the following diagram cooperate to form the respiratory system. Air enters through ___________ openings, moves into the _____________, and travels past the _______________ and into the ____________, which is a _______________________________________________________________.
The human body is compartmentalized into several regions that help with description. Principal regions include the_______________________________Each region is further divided into multiple
In fact, the surface area of the alveoli in a human lung is equivalent to
Besides the type I alveolar cells that make up the _____________, alveoli have type II alveolar cells that release a ______________ called _____________, a substance that _________________________.

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