WebThe lung is an organ found in your chest cavity. Each lung is divided into lobes. On the left side, you have the left upper- and the left lower- lobe. On the right side, there are 3 lobes: the right upper-, mid-, and lower lobe. A thin lining, called the … The right lung is divided into three lobes (sections), and the left lung is divided into two lobes. Your left lung is slightly smaller than your right lung, since your heart takes up some space on the left side. When you breathe in, air enters your airways and travels down into the air sacs, or alveoli, in your lungs. See more Air first enters your body through your nose or mouth, which moistens and warms the air since cold, dry air can irritate your lungs. The air then … See more The pulmonary artery and its branches deliver blood to the capillaries that surround the alveoli. This blood is rich in carbon dioxide and low in oxygen. See more Your lungs have about 150 million alveoli. Normally, your alveoli are elastic, meaning that their size and shape can change easily. Alveoli are able to easily expand and contract … See more Carbon dioxide moves from the blood into the air inside the alveoli. At the same time, oxygen moves from the air into the blood in the capillaries. See more
20.2: Organs and Structures of the Respiratory System
WebMay 17, 2024 · The primary bronchi branch into the secondary bronchi that deliver air to the lobes of each lung. The secondary bronchi branch into the tertiary bronchi that deliver … WebJul 30, 2024 · A bronchopulmonary segment is a division of a lobe, and each lobe houses multiple bronchopulmonary segments. Each segment receives air from its own tertiary … dynamic text replacement unbounce
8.3: The Lungs - Biology LibreTexts
WebEach lobe of the lung receives air from Segmental bronchi Tertiary bronchi Terminal bronchioles Secondary bronchi Primary bronchi. ... c. Projections within the nasal cavity … WebThe lung on your right side is divided into three lobes: the superior, the middle and the inferior. It’s shorter than your left lung, but also wider than your left lung. Both of your … WebThe airways that directly carry air to each lobe of a lung are the a. terminal bronchioles b. bronchioles c. tertiary bronchi d. secondary bronchi e. primary bronchi d The C-shaped … dynamic tfsa application