Describe the manufacture of `NH_(3)` by Haber's method. Give a labelled diagram.

Describe the structure of the heart of man with the help of neat labelled diagram.

Describe the structure of Renal tubule with neatly labelled diagram. Draw a diagram of a nephron and explain its structure.

Draw the labelled diagram of brain.

Describe the structure of the following with the help of labelled diagrams. Centrosome

Describe the structure of the following with the help of labelled diagrams. Nucleus

Describe the structure of the following with the help of labelled diagrams. (i) Nucleus " " (ii) Centrosome

Describe the structure of the heart of a man. Draw a neat labelled diagram of it.

Draw a labelled diagram of brain.