Archive | Zoology

Origin of the Frog Heart Beat (With Diagram) | Animals | Zoology

In this article we will discuss about the origin of the frog heart beat with the help of suitable diagram. By separating atria from the ventricles of excised hearts, William Harvey in 1628 had shown that the atrial rhythm was higher than the ventricular rhythm. Keith and Flack (1907) have described that from the S.A. node the heart beat first [...]

By |2017-07-27T08:05:39+00:00July 27, 2017|Frog Heart Beat|Comments Off on Origin of the Frog Heart Beat (With Diagram) | Animals | Zoology

Structure of Snail (With Diagram) | Hindi | Zoology

Read this article in Hindi to learn about the structure of snail, explained with the help of a suitable diagram. पहचान एवं वर्गीकरण: कोमल शरीर का धीमी गति से चलने वाला घोंघा भी आपने लॉन, बगीचों में देखा होगा । इसका वर्गीकरण निम्नानुसार है: जगत - जन्तु-जगत् (बहुकोशिकीय, विषमपोषी जन्तु) संघ - मोलस्का (कोमल शरीर, प्राय: कवचधारी) वर्ग - गेस्ट्रोपोडा [...]

By |2017-03-08T18:37:52+00:00March 8, 2017|Structures|Comments Off on Structure of Snail (With Diagram) | Hindi | Zoology

3 Main Types of Mammals (With Diagram) | Hindi | Zoology

Read this article in Hindi to learn about the three main types of mammals. The types are: 1. Rabbit 2. House Rat 3. Mole. Type # 1. खरगोश (Rabbit): पहचान एवं वर्गीकरण: खरगोश एक मध्यम आकार का अत्यन्त सुन्दर स्तनधारी है । खुले मैदानों में रहने के अलावा ये पालतू भी होते हैं । इनका वर्गीकरण निम्नानुसार है: जगत - [...]

By |2017-03-07T19:54:27+00:00March 7, 2017|Mammals|Comments Off on 3 Main Types of Mammals (With Diagram) | Hindi | Zoology
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