alleryग्रासनली में भोजन को नीचे धकेलने वाली लयबद्ध पेशीय तरंगों को क्या कहा जाता है?
Aक्रमाकुंचन (पेरिस्टालसिस)
Bविसरण (डिफ्यूजन)
Cपरासरण (ऑस्मोसिस)
Dखंडन (सेग्मेंटेशन)
Answer & Solution
Correct answer: A. क्रमाकुंचन (पेरिस्टालसिस)
पेशीय दीवार के लयबद्ध संकुचन और शिथिलन को क्रमाकुंचन (पेरिस्टालसिस) कहा जाता है, जो ग्रास (बोलस) को आगे बढ़ाता है।
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