What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer.

What are the differences between aerobic and anaerobic respiration? Name some organisms that use anaerobic mode of respiration.

Name the final product/products obtained in the anaerobic respiration, if it takes place:

(a) in a plant (like yeast).

(b) in an animal tissue (like muscles).

Name the type of respiration in which the end products are:

(a) C₂H₅0H and C0₂

(b) C0₂ and H₂0

(c) Lactic acid

Give one example of each case where such a respiration can occur.

Define breathing. State the differences between breathing and respiration.