In this article we will discuss about:- 1. Epithelial Tissue 2. Connective Tissue 3. Muscular Tissue 4. Nervous Tissue. 1. Epithelial Tissue: Epithelial tissue is the protective covering and inner lining of the body and organs. Epithelial tissue was first to evolve during the course of evolution and is first formed during embryonic development. These tissues develop from all the [...]
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 [...]
Here is a compilation of essays on ‘Transgenesis in Animals’ for class 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Transgenesis in Animals’ especially written for school and college students. Essay on Transgenesis in Animals Essay Contents: Essay on the Introduction to Transgenesis Essay on the Mechanism of Transgenesis in Animals Essay on the Significance of [...]