Breathefaster , deeper , pulling more air into our lungs
Explain the benefits of regular exercise on the respiratory system
1.Strongerbreathingmuscles for betterchestexpansion.2.Increasedlungcapacity for more airintake. 3.More blood vessels in the lungs for better oxygen use. 4.An increase in alveolinumbers,boosting the oxygen supply to our blood
What is asthma?
condition where someone’s airways get verysensitive and narrow
Describe three symptoms of an asthma attack
1.Having trouble breathing.2.wheezing when breathingout. 3.feeling a tightness in the chest
Name four harmful substances found in cigarette smoke
1. Carbonmonoxide
2. Nicotine
3. Tar
4. Particulates
How does carbon monoxide affect the body?
takes the place of oxygen in your blood,meaningless oxygen gets to your organs and muscles. This can make you feel tired and can harm your heart and brain over time
What are the affects of nicotine on the body?
Addictive , making it difficult to give up smoking once you start. It increasesheartrate and bloodpressure , making your heartworkharder
How does that affect the respiratory system?
Tar sticks to the tiny hairs in your airways , leading to a build-up of mucus and coughing. It leads to diseases such as bronchitis and enphysema. It is carcinogenic and causes lung cancer