Tissue · Tissue is the groups of cells which perform specialized activity of the body. · Tissue is the group of cells, which are similar in origin, structure and function are called as “Tissue”. · The study of tissue is called “Histology”. · The tissue in plants is divided into three types; o Vascular tissue…
Cell division Cell division is the process by which a cell reproduces itself. Most cells of the human body undergo cell division. There are two types of cell division, mitosis and meiosis. In this process there is formation of two identical daughter cell. Mitosis · In mitosis, one cell with the diploid number of chromosomes…
The Cell · The cell is a fundamental unit of life was first discovered by Rebert Hook in 1665 from slice of cork. · An average diameter of a cell is about 2-120µm. Cell theory · The cell theory was proposed by Matthais Schleiden and Theodor Schwaan in 1839. · All living thing are made…
The Eye The eye is the visual organ. It resides in the orbital cavity and is supplied by the optic nerve (the second cranial nerve). It is a sensory unit composed of three parts: receptor, sensory pathway, and a brain center. · It is spherical structure situated in the orbital cavity · It is about 2.5…
THE NERVOUS SYSTEM · The nervous system detects and responds to change inside and outside the body. · It controls many vital aspects of body function and maintain homeostasis. · The nervous system has three main function. 1. Sensory 2. Integration 3. Motor Classification · The nervous system consists of neurons, which conduct nerve impulses…
The cardiovascular system · The cardiovascular represents “Cardio” means Heart; to ensure constant circulation of blood and “Vascular” means Blood Vessel; through which the blood flows. · The heart is pumped by two circulation systems; 1. The pulmonary circulation 2. The systemic circulation Fig. 02: Blood circulation The heart and Homeostasis · The heart…
