Which of the following (s) is/are functions of human kidney?

i) Draw the diagram of the human excretory system and label:
a) urinary bladder
b) urethra.

ii) Name two major components of normal human urine.

Choose between the two options to answer the question specified in the brackets for the following.

An example is illustrated below.

Example: Corolla or Calyx (Which is the miter whorl?) Answer: Calyx

Blood in the renal artery or renal vein (Which one has more urea?)

The figure given below shows a part of a nephron.

Answer the questions that follow:

(i) In which region of the kidney is the above structure present?

(ii) Label the parts numbered 1 to 4.

(iii) What is the technical term for the process that occurs in part 3?

(iv) Why is fluid X not called urine? Justify your answer.

(v) Draw a neat, labelled diagram of the urinary system of man.

The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow:

(i) Identify the system.

(ii) Label the parts marked 2 and 4. Mention the function of part 5.

(iii) Name the structural and functional units of the part marked 1.

(iv) What is the fluid that accumulates in part 3? Which is the main nitrogenous waste present in it?

(v) Draw a neat, labelled diagram showing the longitudinal section of part 1.

Attempt the following:

Excretion of Nitrogenous wastes is carried out by the Kidneys. Name :
(a) The opening through which the urine is released.
(b) The basic filtration units in the kidney.

Choose the correct answer from the four options given below:

The structural and functional units of excretion in the human kidney is the:

Differentiate between the following pairs on the basis of what is indicated in the brackets.

 Ureter and Urethra [function]

Draw excretory system in human beings and label the following organs of the excretory system which performs the following functions:

(i) form urine.
(ii) is a long tube that collects urine from the kidney.
(iii) store urine until it is passed out.