The term' Peristalisis, which pumps blood towards the head in the open circulatory system of insects, also means 1. muscular conctractions that push food through the digestive system
2. air flowing into and out of the lungs
3. skeletal muscle contracting and relaxing to move a bone up and down

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Explanation:

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.