Biology · Circulatory System
निम्नलिखित में से किसके अलावा अन्य सभी कारक हृदय में शिरापरक वापसी (venous return) में सहायता करते हैं?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1प्रमुख मांसपेशियों की निचोड़ने की क्रिया (Squeezing action)
- 2बायें निलय का संकुचन (Left ventricular contraction)✓
- 3शिराओं में एकतरफा वाल्व (One-way valves)
- 4ऋणात्मक अंतरा-अक्षीय दबाव (Negative intrathoracic pressure)
सही उत्तर देखें
बायें निलय का संकुचन (Left ventricular contraction)
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