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.
Go see a doctor immediately
Explanation:
Your body needs food to function at its best and to fight the daily stress and fatigue of life. Our energy comes from the foods we eat and the liquids we drink. The three main nutrients used for energy are carbohydrates, protein, and fats, with carbohydrates being the most important source.
I think the answer is A because I have never learned about collapsed veins and it won’t cause arthritis
The thymus<span> serves a vital </span>role<span> is a training and development of T-lymphocytes</span>