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Archives: Doubt

Holds our Doubt and specific data

What are the differences between the transport of materials in xylem and phloem?

Describe double circulation of blood in human beings. Why is it necessary?

What would be the consequences of a deficiency of haemoglobin in our bodies?

How are the alveoli designed to maximise the exchange of gases?

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

What are the necessary conditions for autotrophic nutrition and what are its by-products?

What is the role of saliva in the digestion of food?

How are fats digested in our bodies? Where does this process take place?

The breakdown of pyruvate to give carbon dioxide, water and energy takes place in

The autotrophic mode of nutrition requires