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
Cities in California. San Diego Time. PDTPacific Daylight Time. 12 Mar 2017Sunday 12 Mar 2017 at 3:00:00 am local time. 05 Nov 2017Sunday 05 Nov 2017 at 2:00:00 am local time, the time changes to 1:00:00 am. UTC-7:00DST started on 12 Mar 2017, clocks moved forward 1 hour; from 2:00:00 am to 3:00:00 am.