Differentiate between the following pairs on the basis of the aspect given in the brackets.

Respiration and photosynthesis (gas released)

Differentiate between the following pairs on the basis of the aspect given in the brackets.

Photosynthesis and respiration (reactants)

Differentiate between the following pairs on the basis of the aspect given in the brackets.

Tidal volume and residual volume (quantity of air)

Give suitable explanations for the following:

Breathing through the nose is said to be healthier than through the mouth.