The heart

All vertebrates have what type of circulatory system?
Answer: closed circulatory system

How does the circulatory system maintain homeostasis?
Answer: through water and electrolyte transport, fluid volume control and regulation of pH and of body temperature.

Name 4 functions of the circulatory system.
Answer: heart, arteries, veins, capillaries

What are blood vessels that carry blood away from the heart called?
Answer: arteries

What are blood vessels that carry blood to the heart called?
Answer: veins

What is the sac that surrounds the heart called?
Answer: pericardium

What is the muscular portion of the heart called?
Answer: myocardium

What is the lining of the myocardium called?
Answer: endocardium

What is the name of the upper cavities of the heart? The lower cavities?
Answer: atria, ventricles

What veins carry blood to the left atrium? The right atrium?
Answer: superior vena Cava, inferior vena Cava, and pulmonary veins

What arteries carry blood away from the left ventricle? The right ventricle
Answer: aorta, pulmonary