Your experiences your experiences
There are three kinds of blood vessels: arteries, veins, and capillaries. Each of these plays a very specific role in the circulation process. Arteries carry oxygenated blood away from the heart. They're tough on the outside but they contain a smooth interior layer of epithelial cells that allows blood to flow easily.
Answer:
lol what thing are you talking about
1. Vaccines
2. Safer and healthier foods
3. Control of infectious diseases
4. Safer workplaces
5. Mental illness
6. Improving healthcare delivery
7. Premature mortality
8. Diabetes
9. Obesity
10. Aging population
11. Disability
12. Unintended pregnancies
13. Use of tobacco or other drugs
14. Cancer
15. Multimorbidity
Answer:
They have to learn how to read and speak English in school.
Explanation:
All of them are challenges though!
