If a patient is put on dialysis, he is most likely suffering from a severe ailment of the :
(a) circulatory system
(b) respiratory system
(c) excretory system
(d) digestive system

Q. If a patient has to undergo dialysis, he is suffering from a severe ailment of the

Q. Explain the functional correlation of circulatory system with respiratory, digestive, and excretory system.

Q. (a) Name the various organs of human excretory system. Draw a labelled diagram of human excretory system. What is the function of excretory system in humans?
​(b) What is meant by dialysis? What type of patients are put on dialysis?

Q. Which system of the body controls all other systems?
(a) digestive
(b) respiratory
(c) nervous
(d) circulatory

Q. Which of these is not an organ system?
(a) lung
(b) circulatory
(c) digestive
(d) excretory