Path of Blood Through the Heart

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Path of Blood Through the Heart

1)Blood from the inferior vena cava and superior vena cava enter the right atrium 2)Blood goes through the tricuspid valve into the right ventricle 3)Blood leaves the right ventricle through the pulmonary valve into the pulmonary artery 4)Blood travels through pulmonary artery to the lungs dropping off Carbon Dioxide and picking up Oxygen 5)Blood returns to the left atrium from the lungs through the pulmonary veins 6)Blood leaves the left atrium through the bicuspid/mitral valve and enters the left ventricle 7)Blood leaves the left ventricle through the aortic valve and enters the aorta 8)Blood travels through the aorta to the rest of the body

What node receives a signal from the atria and then sends the signal throughout walls of ventricle?

AV node

What are the 4 main effects of Emphysema?

Alveoli lose their elasticity Makes it difficult to exhale Need more energy to breathe Suffer from fatigue and breathlessness

What carries blood away from the heart?

Arteries

Where is the heart located?

Beneath the sternum

What is a Vertebrate Circulatory System called?

Closed System

Steps of Pulmonary Circulation

Deoxygenated blood pumps through the pulmonary arteries to the lungs. It drops off carbon dioxide and picks up oxygen. Oxygenated blood returns to the left side of the heart through the pulmonary vein.

What is the death of cardiac muscle tissue resulting from artery blockage?

Heart Attack

What is a pigment that binds oxygen?

Hemoglobin

What helps clot blood?

Platelets

What carries blood to the heart from the capillaries?

Veins


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