Here, oxygen travels from the tiny air sacs in the lungs, through the walls of the capillaries, into the blood. At the same time, carbon dioxide, a waste product of metabolism, passes from the blood into the air sacs. Carbon dioxide leaves the body when you exhale.he lungs provide a surface for gas exchange in mammals. Inside the lungs are the alveoli, in which oxygen dissolves into the blood. Is is basically a gas exchange.
Current Local Time: San Martin, California is in the Pacific Time Zone: The Current Time in San Martin, California is: Monday 1/15/2018 9:35 PM PST San Martin, California is in the Pacific Time Zone
Weather in St Martin in December. The average maximum daytime temperature in St Martin in December is a warm 29Â°C (84Â°F) with high heat & humidity. There are usually 8 hours of bright sunshine each day, which represents 71% of the 11 hours of daylight. The average sea temperature in and around St Martin in December is 27Â°C (81Â°F).