Answer:
Our digestive system is designed with a.......... Bidirectional tube with separate compartments and two openings.
Explanation:
<span>From the following choices, a physical pain that can be considered as an effect of stress is the chest pain. Although other choices can also be effects of stress, they are not physical in nature. Other effects of stress include headaches, elevated blood pressure, trouble sleeping, etc. These pain may be the causes to some other more serious illnesses. </span>
Answer:
More than 50 million Americans
<em>not sure if this is what you are looking for! but hope it helps.</em>