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Standard VII

Biology

Movement of Lungs

Which of the ...

Question

Which of the following events occur when we inhale or breathe in?
Event 1: Diaphragm relaxes and moves upwards.
Event 2: Chest expands outwards.
Event 3: Belly/Stomach protrudes out.
Event 4: Contents of abdomen shift upwards.

Only events 1, 2, and 4

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Only events 2 and 3

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Only events 1 and 2

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All the events

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Solution

The correct option is B Only events 2 and 3
$∙$ When you breathe in or inhale, the chest expands outwards, the diaphragm contracts and moves downwards.
$∙$ The diaphragm pushes the contents of your abdomen area downwards. This causes the belly to protrude outwards.

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Which of the following events occur when we inhale or breathe in? Event 1: Diaphragm relaxes and moves upwards. Event 2: Chest expands outwards. Event 3: Belly/Stomach protrudes out. Event 4: Contents of abdomen shift upwards.

The correct option is B Only events 2 and 3∙ When you breathe in or inhale, the chest expands outwards, the diaphragm contracts and moves downwards. ∙ The diaphragm pushes the contents of your abdomen area downwards. This causes the belly to protrude outwards.

Which of the following events occur when we inhale or breathe in?
Event 1: Diaphragm relaxes and moves upwards.
Event 2: Chest expands outwards.
Event 3: Belly/Stomach protrudes out.
Event 4: Contents of abdomen shift upwards.

The correct option is B Only events 2 and 3
$∙$ When you breathe in or inhale, the chest expands outwards, the diaphragm contracts and moves downwards.
$∙$ The diaphragm pushes the contents of your abdomen area downwards. This causes the belly to protrude outwards.