Answer:
Mohenjo Daro and Harappa are the two great cities of the Indus Valley Civilization.
Mohenjo Daro is mostly known for the bronze dancing girl figurines and the statue of the priest-king where as Harappa is known for its red and gray sandstone torso figurines.
Mohenjo-daro lies on the west of the River Indus in the district of Larkana, Sindh, Pakistan. It is positioned in the center of the Indus River and the river of Ghaggar Hakra.
On the hand, Mohenjo Daro is located in the middle of a flood plain of River Indus and that too on a Pleistocene ridge. It is about twenty eight kilometers from the city of Larkana.
Answer:
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Answer:
Surfactant increases airflow. It has this effect on airflow because it reduces resistance to lung inflation. Airflow increased as predicted.
Explanation:
Pulmonary surfactant is a complex mixture of lipids and proteins secreted by the Type II alveolar cells. The major component of surfactant, dipalmitoyl-phosphatidylcholine (DPPC), is an amphiphatic phospholipid. The main function of the pulmonary surfactant is to reduce the surface tension at the air/liquid interface in the lungs by forming lining layer between the aqueous airway liquid and the inspired air. prevents alveolar and airway collapse at end-expiration and thus allows cyclic ventilation of the lungs. It decreases surface tension in the alveoli making it easier for the alveoli to increase surface area for gas exchange. By lowering alveolar surface tension, pulmonary surfactant provides two important benefits:
(1) it increases pulmonary compliance, reducing the work of inflating the lungs; and
(2) it reduces the lungs’ tendency to recoil, so they do not collapse as readily.
