In Circulatory system,
Heart consist of two Artria and two ventricle.
Artary carry oxygenated blood.
Veins carry De-oxigenated blood.
Aiorta is the only big artary that carries oxygenated blood through out the body.
Pulmonary vein carries pure blood from heart to body tissues and then De-oxigenated blood to lungs where as pulmonary artery carries pure blood from lungs to heart.
SVC or Superior vinacava carries oxygenated blood to upper part of body.
IVC or Inferior vinacava carries oxygenated blood to lower part of the body.
Right side of heart has tricuspid valve.
Left side of heart has dicuspid valve.
Heart beats 72 times in one minute.
Heart size is of closed wrist.
Heart weight is 300 grams.
Pacemaker is artificial heart placed after heart transplantation.
The circulatory system
Consists of three independent systems that work together:
the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic).
The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.
From the small intestine, the blood gathers food nutrients and delivers them to every cell.
- Blood. Blood consists of:
- The heart. The heart pumps blood around the body. …
- The right side of the heart. …
- The left side of the heart. …
- Blood vessels. …
- Arteries. …
- Capillaries. …
- Veins.
Human Body 