Define the phenomenon of second wind. What are its causes and symptoms?
The breathlessness caused due to prolonged exercise is removed automatically by our body within short span of time of such exercise. This sense of relief is called 'second wind'.
Causes of second wind: When we perform strenuous exercise, our body takes some time to adjust according to the increased demand of energy. So, the second wind occurs before the adjustment.
Symptoms of second wind:
Explain structure of the muscle with the help of a diagram.
Explain external and internal respiration.
What are the functions of respiratory system?
Where are hinge joints found in human body?
