Circulatory System Notes
Circulatory System Notes
Circulatory System Notes
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A. Heart<br />
1. Atria – collect the blood<br />
2. Ventricles – pump the blood<br />
3. Pericardium – membrane around the heart<br />
B. Vessels<br />
1. Arteries – carry blood away from the heart<br />
2. Veins – carry blood back to the heart<br />
3. Capillaries<br />
a. smallest blood vessels<br />
b. connect arteries to veins<br />
c. carry blood past cells