Bones and the skeletal system they make up serve to provide the body support and protection of the vital organs
Her physician prescribes calcitonin to strengthen the woman's bones, since calcitonin is rich in calcium content and calcium helps keep the bones healthy.
Answer:
Vaccines have been around since 1796 preventing people from diseases and decreasing death rates. I believe due to the modern vaccines and medicine people have been living longer than life expectancies in the 1700's and 1800’s, which was between 30 and 40 years. Vaccines train the human body to recognize viruses or bacteria and the antigens (molecule capable of inducing an immune response) will start attacking the virus or bacteria before it tries to spread and cause sickness once it is has recognized it. However, vaccines are not always 100% safe because they can come with side effects. For example, the Hepatitis B vaccine had a severe allergic reaction, called anaphylaxis which caused difficulty breathing, dizziness, and skin rashes for a few people.
The main importance is to maintain a balanced diet which is essential in the body for proper functioning and immunity of the body
