Answer:
A. Mucus secretions that block airways
B. Inflamed airways that obstruct airflow
E. Overinflated alveoli that impair gas exchange
Explanation:
Chronic obstructive pulmonary disease (COPD) causes problems in air-flow and breathing. It is indicated by shortness of breath, cough, mucus production and wheezing. COPD is caused by genetic factors, long term exposure to irritating gas and most commonly by smoking.
The long term exposure to tobacco results in blocked air ways and destruction of airways. Emphysema and chronic bronchitis are two most common causes of chronic obstructive pulmonary disease.
Chronic bronchitis;
A) It is the inflammation of airways that obstruct airflow.
B) It causes the production of mucus secretions that further blocks the airways.
E) Emphysema causes COPD by overinflated alveoli that impair gas exchange.
Answer:
The major reason is an increased blood flow to the stomach and intestines (due to the extra work because of the food), and blood being drawn away from the brain, hence decreasing the amount of oxygen being sent to our brain, and making us drowsy.
Explanation:
Hope this helped!
It is unknown exactly why, but as they age they become more vulnerable to acquire cancer.
Zone 1 is used for warming up, cooling down, and it is often used for recovery during interval training (Zone 1 is used if you want a fresh effort for the next interval, Zone 2 is used for recovery if your goals are to add more stress to the aerobic system).
