Tag Archives: Respiratory System
Fish and their Respiratory System
A mouthful of water is taken in and the fish closes its mouth. At the same [...]
Cutaneous Respiration
Worms breathe in oxygen and breathe out carbon dioxide. But they don’t have lungs or [...]
Chlorophyll
Chlorophyll is a green pigment that has been Built into leaves and stems. It is [...]
Avian Respiratory System
Birds do not have a diaphragm and bird lungs do not expand or contract like [...]