C. Delivers more oxygen to the body
When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
Answer:
They need to increase the funding of the healthcare system (like social security), they also need to increase the funding for the schools around the country, they also need to increase the funding for making improvements for making more homes for the homeless people
Explanation:
