Question

5. Exchange of gases takes place here. - Mouth Carity B. Write true or false for the following statement: 1. Bronchus is the site where exchange of gases takes place. 2. Blood carries oxygen to each and every cell of the body. 3. The pharynx produces sound and is called voice box. 4. The hair present in nasal cavity filters the air to be breathed in. 5. Food can also be broken down without oxygen. 6. If a person is doing exercise then his breathing rate increases. 7. Roots absorb oxygen needed for respiration through stomata. ( (​

Answer 1

Answer:

Electricity is the flow of electrical power or charge. ... The energy sources we use to make electricity can be renewable or non-renewable, but electricity itself is neither renewable or non-renewable. Electricity is a basic part of nature and it is one of our most widely used forms of energy.

Answer 2

1. False
2.True
3.False
4.True
5.True
6.True
7.False