Name the pores in a leaf through which respiratory exchange of gases takes place.

Explain the process by which inhalation occurs during breathing in human beings.

In which type of respiration, aerobic or anaerobic, is more energy released?

Describe the process of respiration in fish.

A sportsman, after a long break from his routine exercise, suffered muscular cramps during a heavy exercise session. This happened due to:

Name the areas in a woody stem through which respiratory exchange of gases takes place.