Briefly describe how the atmospheric air is drawn into lungs.

Briefly describe the cell theory.

Briefly describe the bioinformatics

Briefly describe the radius ratio rules.

Study the diagram given below and then answer the questions. Briefly describe how nitrogen of the atmosphere is converted to nitrates by leguminous plants.

With regard to the respiratory system and the process of respiration in man, answer the following questions: Briefly describe how the above mentioned muscles help in the inspiration of air.

Breathing invovles two stages (a)___ during which atmospheric air is drawn in and (b)_____ by which the alveolar air is released out.

Briefly describe the three essential parts of a cell.

What is spermatogenesis? Briefly describe the process of spermatogenesis.

Briefly describe the formation of Glomerular filtrate.

Briefly describe the structure of the following: Brain