No. Invertebrates, some amphibians, and most fish do not have lungs.
A capillary shunt is also called right to left shunt. In a normal lung the alveoli diffuse oxygen to the capillary through a very thin membrane. In a "sick lung" such as one with pnuemonia, COPD and emphysema, the alveoli are filled with thick fluid and exudate. This thickens the membrane which makes it almost impossible for gas exchange to happens. In essence, blood then flows from the venous system to the arterial system without picking up any oxygen. The blood is shunted from venous to arterial system, bypassing the diffusion (oxygenation process) process.
Capillary
a capillary
fluid entering the capillary
water and waste will move in capillary . water and waste will move in capillary .
The alveolus is a air sac that holds the oxygen. It squashes the oxygen molecules so they diffuse from the alveolus into the capillary. From there, they attach themselves to deoxygenated Red Blood Cells. The oxygen in the blood plasma are also squashed and are diffused. They go from the capillary to the alveoli to get breathed out. The alveoli transfers the oxygen to the lung capillaries and oxygenates the blood, then it is breathed out as Carbon Dioxide.
split capillary's are little vains in your skin
Continuous Capillary :)
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capillary is just a scientific word for roots