The alveoli are the most important part of the respiratory system. They are the way oxygen gets from the air into your blood. Each alveolus is surrounded by capillaries which allow for diffusion. Oxygen diffuses into the capillaries and gets taken back to the heart.
exists and is an alternate of . Banks are open usually on all working days and some banks even during weekends. Their working time is like normal office hours for us. They start around 9 AM in the morning and work till 3 or 4 in the evening and then consolidate the days accounts and leave for their homes around 6 pm. 8 people found this useful.
The economy fell. There was a banking crisis in which the banks lost the money they had invested in the stock market, as well the money they had loaned their customers to buy stocks on margin. Why did many banks close in the late 1920s and early 30s.