Answer:
The alveolar walls and capillary walls share a membrane. That's how close they're getting. This allows oxygen and carbon dioxide to readily pass from the respiratory system to the circulation. Oxygen molecules bind to red blood cells as they return to the heart.
DNA I’m not sure if im right sorry if im wrong
Answer: swamps
A wetland is an area of land that is occupied with water either temporary due to rain or flood or permanently. The water from different sources like river, lakes, aquifer or spring, ocean gets deposited in the deep regions of the land. Swamp is a wetland that is found in the warm climatic regions and these are occupied with woody plants or trees. Swamps are typically found in the forested areas. The soil is rich in minerals but exhibit poor drainage system.
Instead of seeds they produce spores. My names Gary Winthorpe and you can ask me any questions you want ;)
