in Breathing and Respiration (Respiratory System) by

1 Answer

0 votes
by
Alveoli (singular – alveolus, in Latin – cavity) – the respiratory bronchioles terminate into blind ended air sac of microscopic size. Alveoli provide the surface for exchange of gases. The thin walls of alveoli are surrounded by a network of blood capillaries.
Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.
...