1. All vertebrates have what type of circulatory system? Closed circulatory system.
2. How does the circulatory system maintain homeostasis? Through water and electrolyte transport, fluid volume control, and regulation of pH and of body temperature.
3. Name 4 functions of the circulatory system. Transports nutrients to cells, maintains homeostasis, carries hormones to regulate certain body functions, transports gases, and transports antibodies to fight infection.
4. What are blood vessels that carry blood away from the heart called? Arteries.
5. What are blood vessels that carry blood to the heart called? Veins.
6. What is the sac that surrounds the heart called? The pericardium.
7. What is the muscular portion of the heart called? Myocardium.
8. What is the lining of the myocardium called? Endocardium.
9. What is the name of the upper cavities of the heart? Atria. The lower cavities? Ventricles.
10. What veins carry blood to the left atrium? The Pulmonary Vein. The right atrium? Superior and Inferior Vena Cava.
11. What arteries carry blood away from the left ventricle? Aorta. The right ventricle? Pulmonary Artery.
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Excellent!
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