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What type of organelles are in the lungs?
Alveoli are the tiny, air-filled sacs in the lungs where gas exchange takes place. The walls of the alveoli are lined with capillaries, which are tiny blood vessels. Oxygen from the air diffuses through the walls of the alveoli and into the capillaries, while carbon dioxide diffuses from the capillaries into the alveoli. The alveoli are lined with type I and type II alveolar cells. The type I cells form the majority of the alveolar surface and are responsible for gas exchange. The type II cells secrete surfactants, which reduce the surface tension at the air-liquid interface in the alveoli and help to keep them open.
Other organelles in the lungs include:
-Mitochondria: Mitochondria are responsible for producing energy for the cells in the lungs.
- Endoplasmic reticulum: The endoplasmic reticulum is a network of membranes that is involved in protein synthesis and lipid metabolism.
- Golgi apparatus: The Golgi apparatus is a complex of membranes that is involved in packaging and distributing proteins and lipids.
- Lysosomes: Lysosomes are small, membrane-bound vesicles that contain enzymes that break down proteins, carbohydrates, and lipids.
- Cytoskeleton: The cytoskeleton is a network of protein filaments that provides structural support for the cells in the lungs.
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