How to Use air sac in a Sentence

air sac

noun
  • The males fan their tails and pump their air sacs up and down.
    — Phil Bourjaily, Field & Stream, 11 Jan. 2024
  • Where macrophages are found in alveoli, the tiny air sacs in the lungs.
    — The Conversation, oregonlive, 26 Jan. 2023
  • Healthy lungs are filled with millions of tiny air sacs called alveoli.
    — Hang Do Thi Duc, New York Times, 31 May 2023
  • The kiwi chick sticks its bill into an air sac at the top of the egg, and starts to squeak.
    — Ed Yong, The Atlantic, 20 Sep. 2017
  • This damage causes the air sacs to lose their shape and become floppy.
    — Claire Gillespie, Health, 17 Mar. 2024
  • The infection causes the air sacs to fill with pus, making breathing hard.
    — Amanda MacMillan, Health, 3 May 2024
  • With an electric zap, the liquid shifts forward; its body follows with the air sac acting like a tail.
    — Rasha Aridi, Smithsonian Magazine, 22 Dec. 2021
  • The air sac links onto an extension on the hyoid bone known as the hyoid bulla.
    — Valerie Ross, Discover Magazine, 28 Nov. 2011
  • Modern humans have neither an air sac nor an extension on the hyoid bone.
    — Valerie Ross, Discover Magazine, 28 Nov. 2011
  • Check the Egg Whites Remember the air sacs mentioned in the float test?
    — Katlyn Moncada, Better Homes & Gardens, 7 July 2022
  • Pneumonia is inflammation of the small air sacs deep in the lungs, called alveoli.
    — Kathi Valeii, Verywell Health, 4 July 2024
  • In people with emphysema, the air sacs in the lungs (alveoli) are damaged.
    — Ingrid Vasquez, Peoplemag, 18 Nov. 2023
  • But the fossils also suggested that the evolution of air sacs had started by this time.
    — Jeanne Timmons, Ars Technica, 26 July 2023
  • Non-human primates have an organ called an air sac, a large cavity that connects to the vocal tract.
    — Valerie Ross, Discover Magazine, 28 Nov. 2011
  • Just like humans, dogs can also get pneumonia, which is an inflammation of air sacs in the lungs.
    — Emily Deletter, USA TODAY, 18 Aug. 2023
  • In theory, the test is meant to determine whether air has reached the microscopic air sacs inside the lungs.
    — Duaa Eldeib, ProPublica, 7 Oct. 2023
  • Scientists learned that air sacs evolved to allow the baleen whale to recycle air while creating vocal sounds.
    — Erin Clack, Peoplemag, 25 Feb. 2024
  • One is called organizing pneumonia, which is when the tiny airways and air sacs become inflamed.
    — Erika Edwards, NBC News, 5 Dec. 2019
  • One is called organizing pneumonia, which is when tiny airways and air sacs become inflamed.
    — NBC News, 24 Oct. 2019
  • Birds evolved unidirectional airflow and air sacs for high-energy flight.
    — Samantha Agate, Miami Herald, 9 Apr. 2026
  • The lizards could remain underwater for up to 18 minutes while rebreathing through the air sac.
    — Elizabeth Gamillo, Smithsonian Magazine, 27 May 2021
  • Ventilators not only help people breathe but also can provide pressure that holds the lungs open so the air sacs don’t collapse.
    — Patricia Callahan, ProPublica, 30 Mar. 2020
  • Bronchitis can lead to pneumonia, a deeper and far more serious infection of the lungs’ air sacs.
    — Landon Mion, Fox News, 19 Feb. 2025
  • As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs.
    — Kayla Keegan, Good Housekeeping, 14 Mar. 2019
  • This inflammation leads to extensive damage, causing fluid to leak from other parts of the lung into the air sacs.
    — Katherine Weaver, Chicago Tribune, 28 Aug. 2025
  • Nagatitan belonged to a subgroup of sauropods that possessed bones with lots of internal air sacs and thin walls, traits that lightened their skeletons.
    — Reuters, NBC news, 15 May 2026
  • Pulmonary fibrosis is a chronic disease where tissue surrounding the air sacs in the lungs becomes thickened and scarred.
    — Emily Mae Czachor, CBS News, 25 Sep. 2023
  • As the air sacs are infected and damaged, this triggers the immune system, which can lead to a dangerous condition called a cytokine storm.
    — Mark Johnson, Milwaukee Journal Sentinel, 16 May 2020
  • Influenza can develop into pneumonia, an infection that causes the lungs' air sacs to become inflamed and fill with fluid.
    — Rachel Ohm, USA TODAY, 29 Dec. 2017
  • Sauropods also independently evolved a birdlike lung with air sacs throughout their bodies, making their breathing more efficient and their bodies lighter for their size.
    — Michael D. D'emic, Scientific American, 1 Sep. 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'air sac.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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