Cluster of air sacs in lungs are called

Write the name of respiration that takes place in absence of air (oxygen).

Attempt the following:

Glucose is broken down into a three-carbon compound during Respiration. Name:

(a) The three-carbon compound.

(b) The type of respiration in which CO₂ and Ethanol are the end products.

What are the differences between aerobic and anaerobic respiration?

Write any five difference between aerobic respiration and anaerobic respiration.

Respiration in plants is different from respiration in animals with this regard, which statement is not suitable?

(P) Parts of plants performs respiration independently.

(Q) There is little transport of gas from one part to another in plant.

(R) Respiration in plants occurs at much slower rate than in animal.

(S) Respiration in animals occurs at much slower rate than in plants.

Draw a neat and clean diagram of human respiratory system and label the following parts in it-

(i) Lung (ii)Trachea (iii) Diaphragm

What are the different ways in which glucose is oxidised to provide energy in various organism?

Answer the following:

How are alveoli designed to maximise the exchange of gases?