Answer:
Where are the question choices?
Explanation:
Answer:
I think the first one might be cholesterol. sorry if I am wrong.
Unproductive cough doesn't bring anything (sputum) up during the coughing process. A productive cough, sputum will be brought up from the lungs.
Made up of six different links: pathogen (infectious agent), reservoir(where germs live and multiply) , portal of exit (how germs leave the body), means of transmission (how germs are spread), portal of entry (how germs enter the body), and the new host. Each has a role in the chain but can be broken, or interrupted through various means.