Physiology of fitness Acute responses to exercise
We will look at the acute responses that happen when playing basketball , the three areas that we will look at are respiratory system , cardiovascular system and energy systems .
Respiratory system :
Every tissue within the body requires oxygen to function . The respiratory system provides oxygenated blood to the body tissue and removes waste products . The primary organs of the respiratory system are lungs these carry out an exchange of gases as we breathe , as we breathe in we take in oxygen and as we breathe out we expel carbon dioxide . When playing basketball there are many short bursts of intense work , for the body to respond to this the right amount oxygen has to be used by the working muscles so they have the right energy to move effectively . If the body has not recovered it will be harder for the player to react and move to respond to the play .
Organs of the respiratory system :
Nose cavity- The nasal cavity is a hollow space within the nose and skull that is lined with hairs and mucus membrane . The function of the nasal cavity is to warm , moisturize , and filter air entering the body before it reaches the lungs .
Pharynx- The function of the pharynx is to transfer food and to warm , moisten and filter air before it moves into the trachea .
Epiglottis- The epiglottis is a flexible flap at the superior end of the larynx in the throat . It acts as a switch between the larynx and the esophagus to permit air to enter the airway to the lungs
Larynx- this is where the vocal chords are held they become tighter and contract when speaking while becoming relaxed for the duration of breathing .
Bronchus- these are extensions of the wind pipe that shuttle air to and from the lungs
Bronchioles- Bronchioles are tiny airways that carry oxygen to the alveoli in the lungs and help stabilize breathing in the respiratory system
Alveoli- Gas exchange of oxygen and carbon dioxide takes place in the alveoli . Oxygen from the inhaled air diffuses through the walls of the alveoli and carried to the muscles .