Trachea divides into bronchi at the level of

Trachea is double in -

Trachea are found in

Walls of arteries, trachea, vocal cords and bronchi can extend due to

Which of the following group constitute the right pathway of gases in the respiratory system ? A. Nostrils to Nasal cavity to Larynx to Pharynx to Bronchus to Trachea to Bronchioles to Alveolus to Blood B.Nostrils to Nasal cavity to Pharynx to Larynx to Trachea to Bronchus to Bronchioles to Alveolus to Blood

If 10 joules of energy is available at the producer level, then amount of energy present at the level of secondary consumers is

Cryptogams are divided into

Decrease in ground water level is due to..

Biodiversity is the variations of life at the level

What are the factors affecting organic matter levels in soil? How does level of organic matter can be increased?

In humans, kidneys are located between the levels of