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
the capillary's, they are based on the alveoli and they pass oxygen from the alveoli sacks through to the blood stream- ready to go to the heart and be pumped around the body
fluid entering the capillary
water and waste will move in capillary . water and waste will move in capillary .
Capillary refill refers to how quickly the color returns to the external capillary bed following pressure that has been applied to an area. A brisk capillary refill means that the color returned to the capillary bed rather quickly.
Capillary inversion refers to the abnormal condition of the capillary whereby it has been turned inside out or inward.
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
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