All vertebrates have what type of circulatory system? Closed circulatory system
How does the circulatory system maintain homeostasis? Through water and electrolyte transport, fluid volume control, and regulation of pH and of body temperature
Name 4 functions of the circulatory system. To transport dissolved nutrients to all the body cells; it transports gases to all of the cells; It carries hormones which help regulate certain body functions; it transports antibodies that contributes to the bodies immunological response
What are blood vessels that carry blood away from the heart called? arteries
What are blood vessels that carry blood to the heart called? veins
What is the sac that surrounds the heart called? pericardium
What is the muscular portion of the heart called? myocardium
What is the lining of the myocardium called? endocardium
What is the name of the upper cavities of the heart? The lower cavities? Atria and ventricles
What veins carry blood to the left atrium? The right atrium? Superior and inferior vena cava carry blood to the right atrium. Pulmonary veins carry blood to the left atrium
What arteries carry blood away from the left ventricle? The right ventricle? Pulmonary arteries and
Monday, October 22, 2007
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1 comment:
your last question is only half answered.
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