where there's air in your intestines
Air sacs are part of the respiratory system
air sacs
The respiratory system
The respiratory system. The alveoli are air sacs in the lungs.
Respiratory. They are the air sacs in your lungs.
The respiratory system. The alveoli are air sacs in the lungs.
alveoli
the Bronchioles, Air sacs and the Diaphragm
Air sacs of the lungs
AIR SACS are the FUNTIONAL UNIT of human respiratory. while we regard ALVEOLI as STRUCTURAL UNIT of human respiratory system.
The lungs bring air into the air sacs, which are tightly wrapped with capillaries. The capillaries exchange oxygen for carbon dioxide, which the lungs expel.
The respiratory and circulatory system connect in the lungs. At the alveoli, the air sacs are wrapped closely by capillaries to facilitate gas exchange.