Best Herbal Extracts

Respiratory Systems

Respiratory Systems

Respiratory Systems

The respiratory system is a biological system that introduces respiratory gases to the interior and performs gas exchange.

Molecules of oxygen and carbon dioxide are passively exchanged, by diffusion, between the gaseous external environment and the blood. Respiratory diseases contain coughing, asthma, pneumonia, etc. Many herbal extract are effective preventatives or cures of these diseases, such as Quercetin and Polydatin etc. Stanford Chemicals provides a variety of these natural chemicals to research institutes, colleges and universities, pharmaceutical companies and health products companies for research and manufacturing.

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