The foundation for life itself begins with the cell. The cell is the fundamental unit of structure and function in every living thing; however, there are two different types of cells. There are prokaryotic and eukaryotic cells. Prokaryotic cells are…
Read more
Prokaryotes are evolutionarily ancient, for billions of years the only form of life. Here’s a summary of the basic “parts & pieces” of these primitive cells. Prokaryotes Pro = “before”, karyon = “nucleus” Prokaryotes were the first type of cell…
Read more
Many of us, who have no specialized knowledge about biology or who have forgotten the minute details of how and where food travels, should read this article to find out. Biological research has advanced so far that we can see…
Read more
The cells inside our body are in a continuous process of growing and dividing and differentiating during their life cycle. The extent of growing and maturating depend on the tissue that is involved. Growth under normal conditions in addition to…
Read more
All of us start as a single cell. When a sperm gets together with an egg, the process of forming an embryo, then a fetus, and on to a baby, gets started. But a single cell can’t do all the…
Read more
The kidney are organs that are responsible for filtering the blood and making urine. Urine, of course, is a waste product, you need to filter the bad stuff out of your blood and save it somewhere until you are ready…
Read more
Cells breathe? Well, not really – at least not in the same sense that people breathe. Despite this, there is a process in a cell known as cellular respiration. It’s also called oxidative metabolism, depending on which particular textbook you…
Read more
The kidney has several apparent physiological roles that are related to maintaining homeostasis of the body. It is composed of filtering units that are called nephrons. Nephrons in turn are composed of glomeruli and tubules. The filtration of blood occurs…
Read more
RNA (ribonucleic acid) molecules are an important part of cellular function. There are several kinds of RNA and they are all involved in translating DNA gene codes into protein. Proteins play many vital functions within a cell, such as transportation,…
Read more
Embryogenesis is the process by which an embryo forms and grows in the uterus of a pregnant woman. The process of embryogenesis begins when an egg is fertilized by a sperm. After that, a massively complex sequence of events goes…
Read more