Homeostasis

Osmoregulation involves

 
 
 
 

Urine passes from the bladder to the

 
 
 
 

In a kidney machine, what must be at the same concentration in the dialysis fluid and in the blood?

 
 
 
 

The metabolic waste of a man includes all of the following except

 
 
 
 

The four structures listed are part of the human excretory system.

urethra
ureter
kidney
bladder

In which order does a molecule of urea pass through these structures?

 
 
 
 

Nephron, the functional unit of the kidney, is composed of all of the following except

 
 
 
 

Where is urea produced?

 
 
 
 

In a kidney machine, which of the following passes from the blood to the dialysis fluid?

 
 
 
 

Which substance is present at a lower concentration in the renal artery than in the renal vein?

 
 
 
 

Question 1 of 9

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  6. What will happen to the acceleration of a mass-spring system if its mass is doubled?
  7. A simple pendulum has a time period “T”. What will happen to its time period if its thread length is shortened to half?
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  13. Under what conditions are waves diffracted the most?
  14. What do you mean by oscillation? Define simple harmonic motion. What are the conditions for a body to perform SHM? Give examples of bodies that perform SHM.
  15. Show that a vibrating mass-spring system performs simple harmonic motion. What is its time period? On what factors does it depend?
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