Gaseous exchange in animals is purely respiratory in nature unlike that in plants. Plants take in carbon dioxide and incorporate it into organic molecules through the process of photosynthesis. The oxygen evolved in the process is given off.
Respiration in Humans
The passage of air from outside to the lungs is as follows:
Nose----Pharynx----Trachea-----Bronchi------Bronchioles-----Alveoli of the lungs.
Mechanism of Respiration involves a) inspiration b) expiration
Some Common Respiratory Disorders are
Influenza or Flu
Test Your Skills
Test Your Skills Now!
This is only a practice test, it is designed to help you revise your concepts
The test contains questions, only 1 option is correct for each question
This is a timed test.
After you have finished the test, press on the 'Finish Test' button to know your score and get the correct answers