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q how respiratory pigments actrespiratory pigments are oxygen-carrying molecules present in the blood when the oxygen concentration is high for
q which are the two major metabolic gases transported by the bloodthe major metabolic gases transported by the blood are molecular carbon dioxide co2
q of which kind of tissue is the heart made how is this tissue oxygenated and nutrifiedthe heart is made of striated cardiac muscle tissue and the
q what is the stage of the cardiac cycle during which the ventricles are filledthe filling of the ventricles with blood take place during
q is the ventricle lumen larger during diastole or during systoleduring diastole the opposite occurs the muscle fibers of the ventricles relax and
q what is the valve that separates the aorta from the heart what is the importance of that valvethe valve between the aorta and the left ventricle is
q what is the function of the left ventricle where does the blood go after leaving the left ventriclethe function of the left ventricle is to pump
q to which heart chamber does the blood go after leaving the left atrium what is the valve that separates these compartmentsthe valve between the
q what and how many are the pulmonary veinsthe pulmonary veins are part of the pulmonary circulation they are vessels that carry oxygen-rich arterial
q do the arteries that carry blood from the heart to the lungs contain arterial or venous blood what happens to the blood when it passes through the
q what is the valve that separates the right ventricle from the pulmonary artery why is that valve importantthe pulmonary valve is important to
q what is the function of the right ventricle to where does the right ventricle pump the venous bloodthe venous blood is carried as of the right
q which is the first human heart chamber into which blood enters where does the blood go after passing that chamber what is the name of the valve
q what is the vena cava which type of blood circulates within the vena cavathe vena cava is either of two large veins that debouch into the right
q concerning the thickness of their walls how different are the heart chambersthe ventricle walls are thicker than the atrium walls since ventricles
q which are the heart chambers respectively where the entrance and the exit of blood occurthe heart chambers through which blood enters the heart are
q why in infectious and inflammatory conditions may clinical signs related to the lymphatic system occurthe lymph nodes or lymph glands have lymphoid
q what is the lymphatic systemthe lymphatic system is a network of specialized valved vessels that drain interstitial fluid lymph the lymphatic
q what are varices why are they more common in the inferior limbsvarix means abnormal enlargement of veins and the varices occur when excessive
q how do the muscles of the legs and of the feet contribute to the venous returnthe muscles of the legs mainly the muscles of the calves compress and
q what are the venous of the valves system what is their functionthe valves of the venous system are structures inside the veins that permit blood to
q are the veins or the arteries constituted of more muscle tissue how different are the walls of these two kinds of blood vesselsthe arterial system
q what is the part of the vascular system that performs exchange of gases and other substances with the tissuessimply capillaries perform exchange of
q what are the capillaries of the vascular systemcapillaries are small blood vessels that perform exchange of substances between the tissues and
q what are venous vessels venules and veinsvenous vessels are every blood vessel that carries blood from the tissues to the venules veins and heart