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
Time in Phoenix, Arizona. Current local time in Phoenix, Maricopa County, Arizona, Mountain Time Zone - daylight saving time change dates 2017. Local Time in Phoenix, AZ. 03:33:28 PM, Saturday 15, April 2017 MST 24 hours.