Pig Anatomy: Circulatory System

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Umbilical Vein

Carries oxygen-rich blood and food from placenta of the mother to the fetus

Umbilical Artery

Carries oxygen-poor blood and food from the fetus to the placenta of the mother

Right Atrium

Collects blood low in oxygen and filled with food from the body and pumps it to the right ventricle.

Right Ventricle

Collects blood from the right atrium and pumps it to the lungs

Left Atrium

collects oxygen-rich blood and food and pumps it to the left ventricle

Left Ventricle

collects blood from the left atrium and pumps it throughout the body

Pericardium

a membrane (mesentery) surrounding the heart that secretes a watery fluid to prevent the heart from rubbing against surrounding organs when breathing

Coronary Vein

blue blood vessel located on the front (ventral) surface of the heart that drains the heart muscle tissue of blood and moves it back into the right atrium

Coronary Artery

red blood vessel located on the front (ventral) surface of the heart that brings blood from the aorta and supplies the heart muscle tissue with food and oxygen

Pulmonary Trunk

takes blood from the right ventricle to the lungs

Aortic Arch

behind the pulmonary trunk and forming and arch leading toward the lower part of the body and carries oxygen-rich blood and food from the left ventricle to all parts of the body

Dorsal Aorta

continuation of the aorta along the dorsal body wall behind the lungs, liver, and small intestine that carries oxygen-rich blood and food to the lower body organs/legs

Posterior Vena Cava

brings oxygen-poor blood through the umbilical cord from the lower body to the right atrium

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