[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Hindu Achievements in Exact Science: A Study in the History of Scientific Development](https://indike.org/pramana/ins.science.sarkar-1918) › c20.s3 # Hindu Achievements in Exact Science: A Study in the History of Scientific Development c20.s3: (c) Digestion Hindu Achievements in Exact Science: A Study in the History of Scientific Development c20.s3 - **Language:** English ### (c) Digestion ### [c20.s3.1](https://indike.org/pramana/ins.science.sarkar-1918.c20.s3.1) The Hindu physicians knew the digestive system well and described it satisfactorily. ### [c20.s3.2](https://indike.org/pramana/ins.science.sarkar-1918.c20.s3.2) 1. The function of different digestive fluids was understood. They were familiar with the acid gastric juice in the stomach. They knew also that in the small intestines there is a digestive substance in the bile. ### [c20.s3.3](https://indike.org/pramana/ins.science.sarkar-1918.c20.s3.3) 2. They were familiar with, and explained, the conversion of the semi-digested food (chyme) into chyle, and of that again into blood. ### [c20.s3.4](https://indike.org/pramana/ins.science.sarkar-1918.c20.s3.4) 3. They explained the chemical changes by the action of metabolic heat. --- Source: [https://indike.org/pramana/ins.science.sarkar-1918.c20.s3](https://indike.org/pramana/ins.science.sarkar-1918.c20.s3) · Pramāṇa