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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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Similar questions

Q. 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.

Q. For 3 events A, B and C, P(exactly one of the events A or B occurs) = P(exactly one of the events B or C occurs) = P(exactly one of the events C or A occurs) = p & P (all the three events occurs simultaneously) =

p^{2}

. Where

o < p < \frac{1}{2}

. then the probability of at lest one of three events, A, B & C occurring is

Q. For the three events

A, B

and

C, P

(exactly one of the events

A

B

occurs)

=

P(exactly one of the events

B

C

occurs)

=

P(exactly one of the events

C

A

occurs)

=

p

and P(all the three events occur simultaneously)

= p^{2}

, where

0 < p < 1 / 2

. Then the probability of at least one of the three events

A, B

and

C

occurring is

Q. For the three events A, B and C, P(exactly one of the events A or B occurs) = P(exactly one of the events B or C occurs) = P(exactly one of the events C or A occurs) = p and P (all the three events occur simultaneously)

= p^{2}

, where 0 < p <

\frac{1}{2}

. Then, the probability of at least one of the three events A, B and C occurring is

For the three events A, B and C, P (exactly one of the events A or B occurs) = P(exactly one of the events B or C occurs) = P(exactly one of the events C or A occurs)=p and P(all the three events occur simultaneously)= $p^{2}$ , where 0<p<1/2. Then the probability of at least one of the three events A, B and C occuring is

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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.