Answer:
four basic operations of elementary arithmetic.
They are important because so people do not get sickness
<span>There are two ways of taking Doxycycline, directly ingesting the capsule or by opening the capsule and administering with applesauce. Due to its ability to cause abrasion in the esophagus, it should be taken with at least eight ounces of fluid. With the applesauce, it is important that the nurse measures the contents and ensure that the patient drinks the full glass of fluids.</span>
Basically let's you breathe easier.
Explanation:
The alveoli are only one cell thick. Which allows relatively easy passage of oxygen and Carbon Dioxide between the alveoli and blood vessels. (Capillaries