The circulatory system has specialized mechanisms to ensure efficient blood flow, especially in veins where blood pressure is lower and faces the pull of gravity. BPSC Prelims Exam-63rd Sweat is a mechanism for thermoregulation and excretion. It contains various dissolved substances from the body, including minerals and trace elements.
Blood flows against gravity is prevented from flowing back by
Asked in Forest Officer (RFO) 2018 · Topic: Excretory System (Accessory Excretory Organs: Role of Skin, Lungs, and Liver in Excretion)
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