Most diseases can't be passed from person to person
Answer:
She should have different passwords for each of her social networking sites.
D. Avoid being with others who smoke
Hope this helps :)
Answer:
The cardiovascular system pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over.
