Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
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 byproducts?
What is the role of the acid in our stomach?
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
The xylem in plants are responsible for
The kidneys in human beings are a part of the system for