If the valves in veins of the legs fail to stop the flow of blood what could be the consequences of this failure ?

If plastic is not properly disposed, what could be the consequences?

What could be the consequences if plastic is not properly disposed ?

Mitosis result in producing two cells which are similar to each other. What would be the consequence if each of the following irregularities occurs during Mitiosis ? a) Nuclear membrance fails to disintegrate b) Duplication of DNA does not occurs. c) Centromeres do not divide d) Cytokinesis does not occur.

In adult human heart valves that allow the flow of oxygenated blood are

Draw T.S. of arteries and veins. Write flow of blood in between them?

The valves which are present in the blood vessels are closed to prevent backward flow of blood into the ventricles we hear the sound of heart as

The organ ‘A’ of a person has been damaged completely due to a poisonous waste material "B' has started accumulation in his blood, making it dirty. In order to save this person's life, the blood from an artery in the person's arm is made to flow into long tubes made of substance 'E'which are kept in coiled form in a tank containing solution "F". This solution contains three materials 'G', 'H' and 'l' similar proportions to those in normal blood. As the person's blood passes through long tubes of substance 'E', most if the wastes present in it go into solution 'F'. The clean blood is then put back into a vein in the person for circulation What is organ A?

The organ ‘A’ of a person has been damaged completely due to a poisonous waste material "B' has started accumulation in his blood, making it dirty. In order to save this person's life, the blood from an artery in the person's arm is made to flow into long tubes made of substance 'E'which are kept in coiled form in a tank containing solution "F". This solution contains three materials 'G', 'H' and 'l' similar proportions to those in normal blood. As the person's blood passes through long tubes of substance 'E', most if the wastes present in it go into solution 'F'. The clean blood is then put back into a vein in the person for circulation What are (i) E, and (ii) F?