Question

Breathing, an important step of the respiratory system, is a two-part process involving-inhalation and exhalation. During the process of breathing, the thorax region shows some changes. Identify the statement/s from below that is/are related to the exhalation process.
I. External intercostal muscles contract
II. Pressure in the lungs increases
III. Diaphragm contracts
IV. The volume of thorax decreases

Answer 1

Answer:

Question : Breathing, an important step of the respiratory system, is a two-part process involving-inhalation and exhalation. During the process of breathing, the thorax region shows some changes. Identify the statement/s from below that is/are related to the exhalation process. <br> I. External intercostal muscles contract <br> II. Pressure in the lungs increases <br> III. Diaphragm contracts <br> IV. The volume of thorax decreases

Explanation:

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