How does the exchange of gases occur in the roots of a plant?

Write two different ways in which glucose is oxidized to provide energy in the human body. Write the products formed in each case.

In the following questions, a statement of Assertion is given followed by a corresponding statement of Reason. Mark the correct answer as:
Assertion: During inhalation, the diaphragm flattens and increases the chest cavity.
Reason: Due to this, air enters the lungs.

Which is the correct sequence of air passage during inhalation?

Why do deep-sea divers carry oxygen cylinders for respiration?

Name two animals which breathe through gills.