CBSE Class 11-science Biology Respiratory Organs, Human Respiratory System
- what is biology
- explain human Respiratory system
- What is the unit of lungs?
- The function of conducting part of respiratory system are:
- difference between tracheids and trachea.
- Define breathing.
- Name the process used by comb jellies for the exchange of gases during respiration.
- Name the animal which uses its moist cuticle as a respiratory organ.
- Name the respiratory organs of insects.
- Which part of the human respiratory system serves as the common passage for food and air?