Name the component of food that is not digested in the stomach.

$(a)$ Name the following:
$(i)$ Part in which urine is produced.
$(ii)$ Part which stores the urine.
$(iii)$ Part which connects $(i)$ and $(ii)$.
$(iv)$ Part from which urine is passed out.
$(b)$ Name the factors on which the amount of water reabsorbed along the tubular part of the nephron depends.

Lack of oxygen in muscles often leads to cramps among cricketers. This results due to

Represent the equation of photosynthesis. Explain the steps involved in photosynthesis. In which way are the steps of photosynthesis different in desert plants?

Oxygen liberated during photosynthesis comes from

Which part of the alimentary canal receives bile from the liver?