Why is employment of nursing assistants in the U. S. expected to grow by 20 percent by the year 2020

Rise in aging population

Explanation:

America's aging population has been and continues to be on the rise as life expectancy rates increase. The elders who are aging amongst us however, require health care due to the loss of physical ability that comes with being old.

This is one of the main reasons why the number of healthcare professionals are on the rise and with nursing assistants, this is even more so. The aging need the help of these nursing assistants and so more old people means more nursing assistants.

this would and i think the answer is d

the aorta is the large artery leaving the heart branches into smaller arteries, which eventually branch into capillaries.the arteries carry oxygen and nutrients away from your heart, to your body's tissues. the capillaries are small, thin blood vessels that connect the arteries and the veins. the statement that arteries carry oxygen-rich blood to capillaries is true. veins on the other hand are blood vessels that take oxygen-poor blood back to the heart.