Web11 jan. 2024 · Alveoli are an important part of the respiratory system. The respiratory system is the part of your body that helps you breathe. Alveoli are tiny, balloon-shaped … Web3) The macrophages look for cells that show something weird, or don't show what they're expecting. They then move to suck it in, and dissolve it using free radicals or acidic substances in things called "phagolysosomes". The "phagosome" is the bubble inside the macrophage that contains the foreign particles or bacteria, and the lysosome is what ...
Lab exam 2 respiratory Flashcards Quizlet
WebExplain how the villi and the alveoli are adapted to absorb molecules into the bloodstream. (6) Villi are folds within the wall of the small intestine across which digested food molecules are exchanged between the gut and the bloodstream. This exchange takes place by diffusion and active transport. Villi are adapted for the maximum absorption ... Web12 jun. 2024 · Alveoli are adapted for maximum diffusion in these ways: • They have a large surface area. • They have a copious blood supply. • They have a thin epithelial wall (one cell thick). • They ... how far is one mile in feet
Chapter 7: Anatomy of the Respiratory System QUESTIONS
WebThe lining of each alveolus is formed by two types of epithelial cell, alveolar type 1 and alveolar type 2. alveolar type 2 cell secretion of surfactant thin film of water with surfactant alveolar type 1 cell macrophage neutrophil Fig. 3.1 not to scale Web7 mrt. 2024 · The lung alveoli are the balloon-like air sacs loacted at the distal ends of the bronchial tree. There are as many as 700 million alveoli in each lungs, where they facilitate gaseous exchange of oxygen and carbon dioxide between inhaled air and the … Web8 okt. 2024 · The alveoli are adapted to make gas exchange in lungs happen easily and efficiently. Here are some features of the alveoli that allow this: they give the lungs a … highbridge springs water company