Question
हृदयवाहिका तंत्र की संरचना एवं प्रकार्यों का वर्णन कीजिए। इसका रेखाचित्र बनाइए और इसे चिहिनत कीजिए।
Answer :
Word Count : 217
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Skip in 10
हृदयवाहिका तंत्र मानव शरीर का वह तंत्र है जो रक्त के माध्यम से ऑक्सीजन, पोषक तत्व, हार्मोन तथा अन्य आवश्यक पदार्थों को शरीर के विभिन्न भागों तक पहुँचाता है तथा अपशिष्ट पदार्थों को बाहर निकालने में सहायता करता है। इसकी मुख्य संरचनाएँ हृदय, रक्त और रक्तवाहिनियाँ (धमनियाँ, शिराएँ
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