Gas exchange is a function of respiration not digestion.
The spongy layer in plant leaves helps with gas exchange, allowing for the exchange of carbon dioxide and oxygen during photosynthesis.
Gas exchange
Gas exchange
Gas exchange
Gas exchange (between blood and air).
it increases surface area for gas exchange which means that more oxygen is absorbed.
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to protect the gills
To get inhaled air to the alveoi for gas exchange
Gas Exchange
The primary function of alveoli is to facilitate the exchange of oxygen and carbon dioxide between the lungs and the bloodstream during the process of respiration. They are small air sacs located at the end of bronchioles in the lungs where this gas exchange takes place.