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Circulatory System

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Terms in this set (29)

Circulatory System

carries nutrients, gases, wastes immune molecules, etc

Pathway of Circulatory System

Heart-Arteries-Capillaries-Veins-Heart

Pathway of Blood

Superior and Inferior vena cava--right atria-right ventricle-pulmonary artery--lungs--pulmonary veins--left atria--left ventricle--aorta--body

One of two large vessels (superior and inferior) that return deoxygenated blood to the right atrium of the heart.

recieves blood from body

receives blood from lungs.

right ventricle

receives blood from the right atria and pumps it to the lungs via the pulmonary artery

pulmonary artery

carries deoxygentated blood from the heart to the lungs

two large respiratory organs inside the chest where blood picks up oxygen and loses carbon dioxide

pumps blood into the aorta

The largest artery in the body; it pumps freshly oxygenated blood from the heart to the tissues.

Blood composition

55% plasma
44% RBC
1% WBC and platelets

made up of 90% water and contains ions, blood electrolytes, proteins, antibodies, nutrients, urea, O₂, CO₂, and hormones

RBC (Red Blood Cell)

a mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues

are important for immune system