Question

The attachment has my homework questions which I have no idea of the answer to. Please help me out. I am giving out 50 points for this btw.

Answer 1

Answer:

1. Villi
2. Small intestine
3. It is designed to absorb food as it has Villi which consists micro villi
4. Tooth decay (dental caries) is damage to a tooth that can happen when decay-causing bacteria in your mouth make acids that attack the tooth's surface, or enamel. This can lead to a small hole in a tooth, called a cavity.
5. Plaque is a soft, sticky film that builds up on your teeth and contains millions of bacteria.
6. By brushing twice a day

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Answer 2

Explanation:

1.Villi

2.The walls of the small intestine absorb waterand the digested nutrients into your bloodstream.

3.The small intestine has millions of tinyfinger-like projections called villi. These villi increase the surface area for more efficient food absorption. Within these villi, many blood vessels are present that absorb the digested food and carry it to the bloodstream..

4.Overview. Tooth decay (dental caries) is damage to a tooth that can happen when decay-causing bacteria in your mouth make acids that attack thetooth's surface, or enamel. This can lead to a small hole in a tooth, called a cavity. If tooth decay is not treated, it can cause pain, infection, and eventooth loss..

5.Plaque develops when foods that contain carbohydrates (sugars and starches), such as milk, soft drinks, raisins, cakes, or candy, are frequently left on the teeth. Bacteria that live in the mouth thrive on these foods and produce acids. Over a period of time, these acids destroy tooth enamel, resulting in tooth decay..

6.To prevent plaque buildup, brush your teeth at least twice a day with a soft, rounded-tip bristled toothbrush. Pay particular attention to the space where the gums and teeth meet. Use a fluoride-containing toothpaste. Floss between teeth at least once a day to remove food particles and bacteria...