Answer:
An antibody is a blood protein in response to and counteracting a specific antigen. Antibodies combine chemically with substances that the body recognises as alien, such as bacteria, virsues and foreign substances in the blood.
- An antigen is a large moleule on the outside of a cell
- All living cells have antigens on the surface of their plasma membrane- These identify cells as"self' within the immune system
- Cells from the same individual have the same antigens while cells from different indivudial have different antigens
- A/B/O blood groups are related to antigens
Explanation:
Before Obama care a lot more people had no insurance, so they we uninsured. That meant that they would have to pay out of pocket for Dr's visit, ER visits, and medications. The situation now more people are insured (it's not less expensive, but it is paid differently).
The answer is true because people who had little money to spend on day to day things are less likely to have preventative medical care. The quality of care is more difficult because by the time the person sees the Dr. the "cure" is more complex, because they waited to long and are more sick.
B.young adulthood because this is the stage where a teen growing up becomes more responsible and matures into life
To prevent being under weight, you need to eat right. Providing your body with nutritions and protein