Answer:
Two systems that work very closely together are our cardiovascular and respiratory systems. The cardiovascular system includes your heart and blood vessels, which function to remove deoxygenated blood from and return oxygenated blood throughout your body. ... The heart then sends the oxygenated blood out to the body. The respiratory system starts at the nose and mouth and continues through the airways and the lungs. Air enters the respiratory system through the nose and mouth and passes down the throat (pharynx) and through the voice box, or larynx.
Explanation:
Blood coming into the pulmonary capillaries is low in O2 and high in CO2.
Answer:
4. 4. To assess mucous membranes. is your answer.
he came in because he is dehidrated and the nurse is only trying to see if this is right.
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C. An egg would be a better choice than bread alone