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During the pr...

Question

During the process of exhalation, the ribs move

(a) down and inwards
(b) up and inwards
(c) down and outwards
(d) up and outwards

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Solution

The answer is (a).
During exhalation, ribs move down and inwards, while diaphragm moves upwards and relaxes. This reduces the size of the chest cavity and the air is expelled out of the lungs through a process called exhalation.

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Q. Sneha was asked to explain what happens in our body during breathing. The paragraph that she wrote had several mistakes. Identify the mistakes she made and underline them. this is what she wrote.
During inhalation, the ribs move up and outward and the diaphragm moves in. this movement decrease the space in our chest cavity and the air rushes in. During exhalation, the ribs moves down and inward and the diaphragm moves up. This movement increases the space in our chest cavity and the air is pushed out.

During exhalation, the ribs
(i) move outwards
(ii) move downwards
(iii) move upwards
(iv) do not move at all

Q. Question 3
During the process of exhalation, the ribs move

(a) down and inwards
(b) up and inwards
(c) down and outwards
(d) up and outwards

Q. During exhalation the ribcage moves
(a) upward and outward
(b) downwards and inwards
(c) from side to side
(d) does not move at all

The ribs move down and inwards during:

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