Search Results for: relax
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Involuntary muscle
A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More
Semilunar valve
The human heart structure consists of heart chambers (2 atria and 2 ventricles) that differ functionally from each other.... Read More
Antagonistic Muscle
Definition of Antagonistic Muscle What does the term “antagonistic” mean? As the name suggests, the word antagonistic... Read More
An introduction to Homeostasis
Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More
Peristalsis
What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More
Smooth muscle
The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More
Depolarization
Depolarization is the removal of polarity by a process or action. It might also be used to describe how such activity leads... Read More
Neural Control Mechanisms
Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More
Meiosis and Alternation of Generations
Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More
Agonist muscle
Definition noun A muscle that contracts while another muscle relaxes Supplement Muscles may be classified according to the... Read More
Dna gyrase
Dna gyrase (Science: enzyme molecular biology) a type II topoisomerase of escherichia coli, that is essential for dna... Read More
How High Sugar Level in Blood Damages the Blood Vessels
By Vicki Mozo Damage in the vasculature is common in individuals who have high sugar level in blood. It seems that an... Read More
Myocardium
Myocardium Definition What is the myocardium of the heart? It is the muscular middle layer of the heart that is... Read More
Residual volume
Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More
Penis erection of the
penis, erection of the When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora... Read More