Question

Which of the following statements is/are correct about breathing?

Statement 1- Breathing is a voluntary process.
Statement 2-Breathing is a physical process.
Statement 3- It is known as external respiration.
Statement 4- Breathing is same as respiration.

• A. Statement 1 is correct.
• B. Statement 1 & 2 are correct
• C. Statement 1, 2 & 3 are correct.
• D. Statement 1,2, 3 & 4 are correct.

Answer 1

The correct option is C

Statement 1, 2 & 3 are correct.

Breathing is a process where we breathe in and out constantly throughout the day. It is under our voluntary control partially. Breathing is also a physical process as it does not involve the formation of any new product. Breathing is considered as external respiration but is not same as respiration as it does not involve generation of energy.