Male Reproductive System: Structure & Functions
Reproduction is one of the important characteristics of life. New species are produced as a result of reproduction …
Physiology of Kidneys
Physiology of Kidneys Kidneys from urine by filtration and secretion of waste materials from the blood. In addition, …
Urinary System: Anatomy, Structure, Function
Introduction For body cells to function effectively, their environment should be maintained relatively constant (homeostasis). Continuous working of …
Adenosine Triphosphate (ATP): Definition, Structure, Function
Definition Adenosine triphosphate (ATP) is a small molecule present in cells. It acts as a coenzyme and is …
Tissues of the Human Body
Tissues of the Human Body Introduction A tissue is a group of cells having a common embryonic origin …
Connective Tissue: Types, Structure and Function
Connective Tissue It is the most abundant and widely distributed tissue system in the body. It binds together, …
Epithelial Tissue: Types, Structure and Function
Epithelial Tissue An epithelial tissue or epithelium consists of cells arranged in continuous sheets, in either single or …
Forms of Intracellular Signaling
Forms of Intracellular Signaling Introduction Cell signaling is part of any communication process that governs the basic activities …
Types of Receptors
Definition Receptors are chemical signal-receiving protein molecules found inside or on the surface of the target cell. Signaling …
Types of Cell Junctions
Introduction Cell junctions are also called as intercellular bridge. Cell junctions are contact points between the plasma membranes …
Feedback Mechanism- Definition and Types
Definition A feedback mechanism is a cycle of events in which the status of a body condition is …
Transmission Electron Microscope (TEM)
Transmission Electron Microscope It is a microscope that uses a beam of accelerated electrons as a source of …