Question

1. Hair, nails, skin and muscles are made of ........
. Food contains certain chemical substances required by the body. They are called
The practice of keeping bees is called .......
The lack of iron in the body causes .......
Goitre is caused by the deficiency of
An unhealthily fat person is called......​

Answer 1

Answer:

1. Hair, nails, skin and muscles are made of Keratinocytes

2. Food contains certain chemical substances required by the body. They are called nutrients

3. The practice of keeping bees is called Beekeeping

4. The lack of iron in the body causes inflammatory bowel disease

5. Goitre is caused by the deficiency of

An unhealthily fat person is called Endocrinology

Explanation:

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Answer 2

1. Hair, nail, skin and muscles are made of tissues.

• Tissues are the group of cells coordinating to perform a specific task.

2. Food contains certain chemical substances required by the body. They are called nutrients.

• Nutrients are the substances which are essential for proper growth and maintenance of an organism.

3. The practice of keeping bees is called apiculture.

• Apiculture is the process of rearing of honey bees in the artificial hives.

4. The lack of iron in the body causes anaemia.

• Beans and potatoes are rich in iron. They can fulfill the deficiency of iron.

5. Goitre is caused by the deficiency of iodine.

• Dairy products and grains such as milk, curd, cheese and bread are rich in iodine.

6. An unhealthy fat person is called obese.

• According to WHO, obesity is the second most dangerous disease in the world.