Life Processes-Important Questions

1.  How is ‘respiration’ different from ‘breathing’? Explain the process of aerobic and anaerobic respiration.

2.  I)     Name the blood vessel that brings oxygenated blood to the human heart.

      II)    Which chamber of the heart received oxygenated blood?

      III)  Explain how is the oxygenated blood from this particular chamber sent to all the body parts?

3.  Explain the schematic representation of gaseous exchange in tissues.

4.  Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structures and functioning?

5.  What is the significance of emulsification of fats?

6.  Why is the small intestine in herbivores larger than in carnivores?

7.  What is the advantage if a four chambered heart?

8.  Explain the process by which inhalation occurs during breathing in human beings?