Circulatory System Vocabulary

Circulatory System Vocabulary

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Side ASide B
the fluid tissue of the body contained within the curculatory system
the liquid component of the blood
red blood cells
cells in the blood containing hemoglobin; carry oxygen
iron containing molecule in red blood cells; used in transporting oxygen
white blood cells
colorless blood cell that protects the body from infection
cell fragments in the blood; help form blood clots
produced by white blood cells to help fight infection
a muscular organ that pumps blood
the two upper chambers of the heart. Atriums are the chambers that recieve blood coming from other parts of the body. The Left atrium receives oxygen-rich blood from the lungs, and...
the lower chambers of the heart. Ventricles pump blood away from the heart, either to the lungs or to the rest of the body. The right ventricle pumps blood to the lungs where it can...
flap-like structures in the heart that close to prevent blood from flowing backwards
blood vessels that move blood away from the heart to the lungs or body
microscopic blood vessels that connect arteries and veins. This is where the blood gives the oxygen it is carrying to the cells of your body and picks up carbon dioxide waste from the...
blood vessels that move blood toward the heart from the lungs or the body
pulmonary circulation
the flow of blood between the heart and lungs (ex: pulmonary arteries carry blood to the lungs and pulmonary veins carry it back to the heart)
systemic circulation
the flow of blood from the heart to all of your body except the lungs and back (ex: systemic arteries carry blood from your heart to your body and systemic veins carry it back to your...
blood pressure
the pressure or force of blood as it moves through the arteries
expansion and contraction of an artery as blood surges through it
superior vena cava
the large systemic vein that carries blood from the upper part of the body
inferior vena cava
large systemic vein that carries blood from the lower part of the body
the largest artery in the body
the condition that occurs when blood pressure is higher than normal for long periods of time
a muscular wall that divides the heart into two sides

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