International Monetary Fund is a type of organization which helps the countries by providing loans. There is a large contribution of United States of America in the International Monetary Fund. About 16 % share of International Monetary Fund belongs to United States of America. Approximately $164 billion amount of money can draw by International Monetary Fund (IMF) from United States of America.
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
When blood is rich in carbon dioxide it leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. (All of which have to do with the circulatory system)