Most fish exchange gases using gills on either side of the pharynx (throat). Gills
are tissues which consist of threadlike protein structures called filaments. These ...
Feb 23, 2011 ... Fish breathing ... How Do Fish Breathe In Water? - Duration: ... 7 3 EN:
Respiratory Structure and Breathing Mechanism of Fish - Duration: 9:32.
Sep 7, 2011 ... Today I found out how fish gills work. These fantastic little organs allow the fish to
absorb oxygen from the water and use it for energy.
Mar 12, 2012 ... Description of Countercurrent Exchange in fish gills as an example of form
relating to function in biology.
Summary: "Water flow over the secondary lamellae is countercurrent to capillary
blood flow, resulting in extremely efficient oxygen extraction. Gills also function ...
Unlike land animals, which have lungs to take in oxygen from the air, fish have
gills to breathe in the oxygen contained in water. This process of breathing
Fish breathe by drinking. A pressurized gulp of water flows from the mouth into a
gill chamber on each side of the head. Gills themselves, located in gill clefts ...
Oct 29, 2011 ... To do this they use an arrangement of ﬁlaments on either side of their neck called
gills. Fish gulp in oxygenated water and force it through their ...
Fish have gills because these organs are used to extract oxygen from the
surrounding water in which a fish lives. Gills are different from lungs because gills
Fish gills act as the equivalent of a mammal's lungs by taking in oxygen and
releasing carbon dioxide. Oxygen and carbon dioxide travel across small, ...