The Heart

All vertebrates have what type of circulatory system? closed
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. transport dissolved nutrients,transports gases, transports anitbodies, fights infection
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? atriums The lower cavities? ventricles
What veins carry blood to the left atrium? pulmonary veins The right atrium? superior and inferior vena cava
What arteries carry blood away from the left ventricle?aorta The right ventricle?pulmonary artery