All Entries in the "Circulatory System" Category
Path of Blood in the Heart and Blood Composition
The Heart is a double pump. The right side of the heart sends blood through the lungs. The left side sends blood throughout the body. Blood low in oxygen and high in carbon dioxide enters the right atrium from the largest veins in the body, the superior vena cava and the inferior vena cava. The [...]
Heart: Blood Circulation
The main function of the heart is to circulate blood which transports food, oxygen, and waste products (carbon dioxide). The heart’s two pumps wok together in perfect rhythm to circulate blood through the lungs and to other parts of the body.
Common Ailments of the Circulatory System
· Coronary Heart Disease or heart attack is the number one disease that causes death and invalidism. This is due to too much cholesterol in the blood and uncontrolled high blood pressure. It occurs when the supply of blood to parts of the heart is cut off. The blood cannot reach the heart. The arteries [...]
The Heart
Heart
Pump of the circulatory system.
It is a strong, hollow muscle about size of a clenched fist.
It is located slightly to the left of our chest.
When heart beats, its muscle tissues [...]