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q what is the difference between simple closed circulation and double closed circulationdouble closed circulation or closed circulation is that in
q how is carbon dioxide released by cellular respiration transported from the tissues to be eliminated through the lungsin vertebrates almost 70 of
q what is the stage of cellular respiration during which carbon dioxide is liberatedin aerobic cellular respiration the release of carbon dioxide
q why is carbon monoxide toxic for humanshemoglobin likes carbon monoxide co much more than it likes oxygen when there is carbon monoxide in the
q what is the substance that stimulates the production of red blood cells which is the organ that secretes it under what conditions does this
q in high altitudes is it necessary for the blood to have less or more hemoglobinin high altitudes the oxygen concentration and air is rarefied is
q what is the hemoglobin f why does the fetus need different hemoglobinhemoglobin f is the hemoglobin found in the hemoglobin and mammalian fetusa is
q how different are hemoglobin and oxyhemoglobin where is it expected to find a higher concentration of oxyhemoglobin in peripheral tissues or in the
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