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Cardiovascular
Term | Definition |
---|---|
How many liters of blood does the heart pump through the body each day? | 7 liters |
Where does nutrient, electrolyte, gas and waste exchange take place? | capillaries |
What do capillaries converge into? | converge into venules and veins that return blood |
Which circuit sends oxygen depleted blood to the lungs? | the pulmonary circut |
What body cavity is the heart in? | mediastinum |
Where does the base of the heart lie? | beneath the second heart |
What encloses the heart | pericardium |
Which layer of the heart wall protects the heart by reducing friction? | epicaridum |
Which layer of the heart consists of cardiac muscle tissue? | myocardium |
What are the upper chambers of the heart called? | atria |
Which chambers of the heart force blood out of the heart and into the arteries? | ventricles |
What separates the right and left side of the heart? | septum separates the atrium and ventricle |
What are the two vavles in the heart that ensure one way blood flow and which side of the heart is each on? | tricuspid and mitral vavles |
What are the two large veins called that bring blood to the right atrium? | pulmonary veins |
What permits blood to move from the right atrium to the right ventricle and prevents back flow? | tricuspid valve |
Where do the pulmonary arteries lead to? | pulmonary arteries |
What allows blood to leave the right ventricle and prevents back flow? | valves ensure that blood flows only in one direction |
What vessels bring blood back to the right atrium | The inferior and superior vena cava |
What prevents blood from flowing back into the left atrium from the ventricle | mital valve |
What has three cusps and is at the base of the aorta | aortic valve and the aorta |