Diseases of the cardiovascular system
There are five main diseases of the carduivascular system: Anemia The condition in which your blood has a lower than normal number of...
Beating & The Hearts Electric System
The beating of your heart is series of events inside and around your heart, it is basically a cycle in which your hearts chambers relax,...
Human blood types
All blood is made out of the same basic elements, but they are still not completely the same. Blood types are determined by the abcense...
Movement of blood through the heart and the body
In the left side of the heart blood coming from the pulmonary circuit collects in the Left Atrium, the Left Atrium then contracts when it...
Heart rates & affecting factors
The normal resting heart rate of an adult is from 60-100 beats (bpm). something to keep in mind is that a lower resting heart rate can...
Heart functions
The heart has the function of circulating blood though two circuits, the pulmonary circuit and the systemic circuit, which supplies...
Functions of the cardiovascular system
The main and principal function of the cardiovascular system is to circulate blood thought out the body and back so that it can be...
Difference Between Veins and Arteries
In Function While the arteries channel oxygenated blood away from the heart as it pumps, the veins carry blood back to the heart after...
Layers of Blood Vessel Walls
The tunica intima: It is the innermost layer of the arteries and veins. It contains the endothelium,a simple squamous epithelium that...
Main Blood Vessels
Arteries Carry blood away from the heart (always oxygenated apart from the pulmonary artery which goes to the lungs) Arteries face high...
Blood Cells and their Functions
Red Cells or Erythrocytes: They transport oxygen from the lungs to all the living tissues of the body and carry away carbon dioxide....
The Heart
The heart has 4 chambers. The upper chambers are called the left and right atria, and the lower chambers are called the left and right...
A Brief History
The ancient Greeks, including Galen and Hippocrates, saw the cardiovascular system as two different networks of arteries and veins. Galen...
What does it do?
Transportation: Transport blood to almost all of the body’s tissues. Deliver essential nutrients and oxygen as well as remove wastes and...
