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Diffusion of O2 and CO2 occurs at the alveoli in the lungs.

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How does oxygen moves from the respiratory system to the circulatory system?

by diffusion across a capillary wall


Where does the diffusion take place in the respiratory system?

in the lungs


How does the respiratory system move air to and from gas exchange surfaces?

diffusion


What role does diffusion play in the Respiratory System and circulatory system?

hai :) it is in your book dont be lazyass.


Where in the respiratory system does gas exhcange occur?

Gas exchange occurs in the alveoli in the respiratory system. The thin-walled structures allow diffusion of gases into and out of the capillaries.


Where is 3 systems in the body where diffusion occurs?

Diffusion occurs in the respiratory system, where oxygen and carbon dioxide exchange happens in the lungs. It also occurs in the digestive system, where nutrients pass through the walls of the small intestine into the bloodstream. Additionally, diffusion takes place in the circulatory system, where gases and nutrients move between blood and tissues at the capillaries.


What is the respiratory system of a jellyfish?

hydra has no specialized respiratory organs and exchanges of gases take place via simple diffusion from surface lining of the enteron on so in this way the surface lining of enteron acts as an efficient respiratory surface


Where does oxygen transfer during the transition between the respiratory and circulatory system occur?

By diffusion across a capillary wall.


Where does oxygen move from the respiratory system to circulatory system?

By diffusion across q capillary wall


What do the respiratioy system do?

The respiratory system is the anatomical system of an organism that introduces respiratory gases to the interior and performs gas exchange. In humans and other mammals, the anatomical features of the respiratory system include airways, lungs, and the respiratory muscles. Molecules of oxygen and carbon dioxide are passively exchanged, by diffusion, between the gaseous external environment and the blood.


Why do flatworms have no need for a circulatory or respiratory system?

Flat worms do not have blood. There fore, they do not require a respiratory system to infuse fresh oxygen into the blood. This lack of a respiratory system, means they do not have lungs.


Does the phylum platyhelminthes have a circulatory system?

No, Platyhelminthes lacks a circulatory system and a respiratory system.