During inspiration, fresh air enters the respiratory system through the pared external nares (nostrils; shown here) and/or the oral cavity to the pharynx. Air then travels through the glottis into the trachea, through the bronchi and bronchioles to reach the alveoli.
Answer:
Heart and lungs
Explanation:
The more harder that you work the more your heart is going to race and the more your lungs are going to get tighter because they are working together to make the body function the way it is supposed to
Answer:
Social Factor
Explanation:
Social factor are things that affect an individuals lifestyle. This could include wealth, religion, drug abuse etc.
Answer:
3 all of above, because exercising reduces your chances of getting sick, you can inherit disease from your parents and being fat causes you to develop health problems, for example: diabetes, asthma, high blood pressure, etc.
I would expect to wait like a week or so, and then go for a test or order one online.