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Circulatory and Respiratory Review. What does the circulatory system provide the body?. Maintains homeostasis Regulate temperature Delivers gases and nutrients. How many chambers does the human heart have?. 4. What are the upper chambers of the heart called?. atria.
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Maintains homeostasis • Regulate temperature • Delivers gases and nutrients
Arteries carry blood to the body from the heart filled with oxygen. They have a larger ring of smooth muscle. • Veins carry CO2 filled blood back to the heart. They contain valves • Capillaries are microscopic and is the site of gas exchange.
What are the scientific names for Red Blood Cells and White Blood Cells?
Erythrocytes • Leukocytes
What is the term for hardening of the arteries with fat deposits?
Name the major blood vessels entering and leaving the heart.
Entering: superior and inferior vena cava • Leaving: Aorta
Systole measure the contraction of blood traveling out of the heart on the artery walls. • Diastole measures its relaxation
Hematocrit = 45% • Plasma = 55%
Donor = type O • Recipient = type AB
What line of defense do the lungs use against debris that has gone into the lungs?