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Circulatory System of the Torso

It circulates to the heart through the atria from the veins and the ventricles send oxygen rich blood through the arteries to all parts of the body. The difference between arteries and veins is not the oxygen content, but rather the direction of the blood flow. Veins carry blood toward the heart and arteries carry it away.

In the human circulatory system, we have a double circulation because there is a separate pulmonary circuit to the lungs and a systemic circuit to the body. These arteries and veins lie close to each other and are involved it countercurrent heat / cool exchanges.

The cardiovascular system in the torso part of the body uses both the pulmonary circuit and the systemic circuit to deliver oxygenated blood to tissues and organs and take from the tissues and organs blood depleted of oxygen. A closer look at how the pulmonary circuit to the lungs work demonstrates how the reverse of the systemic system, in which the arteries are delivering oxygenated blood and the veins are taking away oxygen depleted blood, is true of the pulmonary circuit. The following  points show how this pulmonary circuit system operates.

 

Pulmonary Circuit :

The circulation of blood through vessels to the heart and away from the heart works the opposite of the closed blood systemic system that delivers and takes away blood to the rest of the body. In pulmonary circulation the roles are switched.

The torso includes the area of the body from the shoulders to the lower abdomen and pelvic region of the body before the lower extremities are evident. This excludes the head and the limbs. Each of these vessels carry oxygen-rich blood throughout the torso.

 

Circulation of oxygen-rich blood in the Torso:

  • Carotid artery

  • Arch of the aorta

  • Pulmonary vein (to the heart)

  • Thoracic aorta

  • Abdominal aorta (splits to go to each extremity)

 

Each of these vessels carry oxygen-depleted blood throughout the torso.

 

Circulation of oxygen depleted blood in the Torso:

 


It circulates to the heart through the atria from the veins and the ventricles send oxygen rich blood through the arteries to all parts of the body. The difference between arteries and veins is not the oxygen content, but rather the direction of the blood flow. Veins carry blood toward the heart and arteries carry it away.

In the human circulatory system, we have a double circulation because there is a separate pulmonary circuit to the lungs and a systemic circuit to the body. These arteries and veins lie close to each other and are involved it countercurrent heat / cool exchanges.

The cardiovascular system in the torso part of the body uses both the pulmonary circuit and the systemic circuit to deliver oxygenated blood to tissues and organs and take from the tissues and organs blood depleted of oxygen. A closer look at how the pulmonary circuit to the lungs work demonstrates how the reverse of the systemic system, in which the arteries are delivering oxygenated blood and the veins are taking away oxygen depleted blood, is true of the pulmonary circuit. The following  points show how this pulmonary circuit system operates.

 

Pulmonary Circuit :

The circulation of blood through vessels to the heart and away from the heart works the opposite of the closed blood systemic system that delivers and takes away blood to the rest of the body. In pulmonary circulation the roles are switched.

The torso includes the area of the body from the shoulders to the lower abdomen and pelvic region of the body before the lower extremities are evident. This excludes the head and the limbs. Each of these vessels carry oxygen-rich blood throughout the torso.

 

Circulation of oxygen-rich blood in the Torso:

  • Carotid artery

  • Arch of the aorta

  • Pulmonary vein (to the heart)

  • Thoracic aorta

  • Abdominal aorta (splits to go to each extremity)

 

Each of these vessels carry oxygen-depleted blood throughout the torso.

 

Circulation of oxygen depleted blood in the Torso:

 

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