According to the density and hardness, bone is divided into two types: 1. Compact Bone 2. Cancellated Bone. 1. Compact Bone: Distribution: The outer layer of all bones and the shaft (diaphysis) of the long bones are entirely compact in nature. Histology: The shaft of the long bones (Fig. 1.48) is the typical example of this type of bone tissue. [...]
Here is an essay on ‘Blood’ for class 7, 8, 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Blood’ especially written for school and college students. Essay on Blood Essay Contents: Essay on the Definition of Blood Essay on the Genesis of Blood Essay on the Functions of Blood Essay on the Composition of Blood Essay [...]
In this essay we will discuss about the types of blood groups. Also learn about the importance of blood group studies. Essay # 1. A, B and O Groups: i. The phenomenon of haemoagglutination is due to the interaction between two factors-agglutinogens, present in the corpuscles and agglutinins, present in the plasma (or serum). ii. There are two primary agglutinogens—A [...]