EVERYDAY SCIENCE

Detailed explanation-1: -In your lungs, the main airways, called bronchi, branch off into smaller and smaller passageways. The smallest airways, called bronchioles, lead to tiny air sacs called alveoli.

Detailed explanation-2: -Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.

Detailed explanation-3: -6. The tiny air sacs present in human lungs is called . Sol. (a) Alveoli.

Detailed explanation-4: -Complete answer: Air sacs are the internal compartment filled with air to facilitate internal air. Vertebrates have air sacs present in different body parts & perform various functions. Air sacs provide large surface area for gaseous exchange and increase the respiratory efficiency of the organism.

Detailed explanation-5: -People have an average of 480 million alveoli in their lungs, located at the end of bronchial tubes. When you breathe in, the alveoli expand to take in oxygen.