Question

The energy is obtained from food by a process called “A”. The process of exchange of gases

like “B” and “C” occur in a structure called “D”. The process of renewing air in the lungs is

called “E”. The “F” protects the trachea from collapsing.

Now, answer these questions.

1. Name the gases ‘B’ and ‘C’.

2. Name the structure ‘D’.

3. Name the process ‘E’.

4. What happens if ‘F’ is absent?

5. Define the process ‘A’.​

Answer 1

Answer:

1. B-- oxygen C--- carbondioxide

2.allvioli

3.E respiration

4.lungs may damage and person may die

5. digestion::- A process of breakdown of complex food materials in to simple food material

Answer 2

B is Oxygen and C is Carbon dioxide

D is Allvioli

E is Respiration

F- If F is absent, the lungs may damage and the person may die

A - Digestion

Explanation:

Digestion is the breakdown of high insoluble food particles into small water-soluble food particles so that they can be swallowed into the moist blood plasma. In some bions, these more diminutive elements are consumed through the small intestines into the bloodstream.

Digestion is a kind of catabolic activity that is frequently broken into two methods based on how food is cut down: Chemical and mechanical digestion.

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