The pulmonary artery and its branches deliver blood rich in carbon dioxide (and lacking in oxygen) to the capillaries that surround the air sacs. The circulation of the blood through the lungs. The veins that return the oxygenated blood from the lungs to the left atrium of the heart.
Standing upright!!
WHY?
Monitoring peak expiratory flow provides an objective measure of dysfunction in patients with asthma in the home, emergency department, and hospital. The ideal patient posture for peak expiratory flow measurement is standing upright, but in hospitalized patients, it is often measured with the patient semi-recumbent.
Corona virus is a type of virus.
False, That is called the Nail Plate.