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what is excretionexcretion in physiology is the method of elimination of metabolic wastes and other toxic substances from the
q define critical temperature the temperature at that electrical resistivity of the material suddenly drops to zero and the material changes from
how is heart contraction triggered heart contraction is independent from neuronal stimulus although it can be modulated by the autonomous nervous
concerning the mixture of arterial with venous blood what is the difference between the human fetal circulation and the adult circulationin the human
how many chambers do the bird heart and the mammalian heart have concerning temperature maintenance what is the advantage of the double and complete
what is the difference between the amphibian heart and the reptile heartthe reptiles have double and incomplete circulation too three heart chambers
why is the fish circulation classified as a simple and complete circulationcomplete circulation is that in which there is no mixture of venous blood
does the fish heart pump venous or arterial bloodthe venous blood coming from the tissues enters the atrium and passes to the ventricle that then
what is the difference among double closed circulation and simple closed circulationdouble closed circulation or closed circulation is that in which
how is carbon dioxide released by cellular respiration transported from the tissues to be eliminated through the lungsin vertebrates almost 70 of the
q two wires of same material and same length have resistances 5 and 10 respectively find the ratio of radii of the two wires r rhol a rhol
what is the stage of cellular respiration during which carbon dioxide is liberatedin aerobic cellular respiration the release of carbon dioxide
why is carbon monoxide toxic for humanshemoglobin likes carbon monoxide co much more than it likes oxygen when there is carbon monoxide in the
what is the substance that stimulates the production of red blood cells which is the organ that secretes it under what conditions does this secretion
q an iron box of 400 w power is used daily for 30 minutes if the cost per unit is 75 paise find the weekly expense on using the iron box energy
in high altitudes is it necessary for the blood to have more or less hemoglobinin high altitudes the air is rarefied and oxygen concentration is
q distinguish between electric power and electric energyelectric poweri electric power is described as the rate of doing electric workii electric
q a managing wire of length 2m has a diameter of 04 mm with a resistance of 70 ohm find its resistivity rho p x pir2 l
what is hemoglobin f why does the fetus need a different hemoglobinhemoglobin f is the hemoglobin found in the mammalian fetus and hemoglobin a is
how different are oxyhemoglobin and hemoglobin where is it expected to find a higher concentration of oxyhemoglobin in peripheral tissues or in the
how do respiratory pigments actrespiratory pigments are oxygen-carrying molecules present in the blood when the oxygen concentration is high for
of which type of tissue is the heart made how is this tissue oxygenated and nutrifiedthe heart is made of striated cardiac muscle tissue the heart
q what are the changes that take place at the superconducting transition temperature at the transition temperature the subsequent changes are
what is the stage of the cardiac cycle during which the ventricles are filledthe filling of the ventricles with blood happens during diastolethe
q give any three utilizes of secondary cells i the secondary cells are rechargeableii they have extremely low internal resistanceiii they are able to