Bones contain three components that in itself make it strong and flexible. They are collagen, calcium phosphate, and living bone cells. Collagen gives bones their structure, calcium makes bones strong, and cells generate more bone cells to fill up weakened parts. Calcium intake from food supplements and milk are also good for the bones because it can strengthen them more and make the skeletal system protected from bone irregularities and problems while growing. Vitamin D is essential for the absorption of calcium in bones. In order to offer support to the muscles and tissues of the body, bone growth is very crucial, because a weak bone cannot make the body function well.
<span>The option which has not greatly increased the speed of information dissemination is C. a typewriter. Smartphones, emails, and teleconferencing all need the Internet in order to function, and as you already know, the Internet is the fastest way to disseminate information and spread it all over the world. A typewriter obviously has no Internet access and is not really practical when compared to these other options.</span>
Answer:
1 and 2 and 3
Explanation:
1. the swelling is an allergy
2. rash is another sign of allergy
3. rash again
4. go away with some water
5. personal preference
