Category: Biology

Reproduction is the term used to describe the process of the formation of new individual organisms from the fertilized egg. Sexual reproduction takes place when two gametes (sperm and egg) unite and form a zygote...
Allele Allele is the most important term used in genetics. It is a variation of the gene. Alleles are not genes; they are not physical structures, but rather “abstract” entities that determine how and when...
Your nervous system is the center of your body’s command. It is a smart, strong, and intelligent brain that controls all your movements, your thoughts, and the automatic responses that you have to the world...
Cells have certain ways to move molecules inside and outside of their cells. In diffusion, molecules move from an area of high concentration to an area of low concentration. In osmosis, water molecules move from...
A high level of blood gas may indicate a serious medical condition, such as sepsis, a heart attack, or a stroke. There are two ways of measuring blood gas: Arterial blood gas (ABG) Venous blood...
Biology is the study of living organisms. It is a scientific discipline that includes the study of anatomy, physiology, biochemistry, genetics and cellular biology. The biology course emphasizes the relationship between an organism and its...
The body is made up of circulatory systems that serve as pathways for blood-carrying vessels. These systems are subdivided into two major parts: pulmonary and systemic circulation. Although they are both powered by the heart,...
The human body is made up of various tissues and organs. The main two components of the body are the skin and muscles. In addition to these, there are also other tissues that make up...
A molecule is defined as the smallest unit of a chemical compound that can be formed by combining two or more atoms. The molecule has a unique shape, which is determined by the number of...
If you skipped out on Biology classes in high school, you may not know what a gene and a chromosome are. These terms can be confusing to someone who hasn’t studied genetics. They are important...