B1.2.3 - Breathing Flashcards Preview

SHHS - Science - B1.2 - Structure and Function of Body Systems (Year 7) > B1.2.3 - Breathing > Flashcards

Flashcards in B1.2.3 - Breathing Deck (16):
1

What happens to the volume of the lungs when you are breathing out?

It decreases

2

Which muscles relax during exhalation

Intercostal (rib) muscles

Diaphragm

3

Inhalation means...

breathing in

4

The scinetific term for breathing is...

ventilation

5

Which muscle contract during inhalation?

Intercostal (rib) muscles

Diaphragm

6

What happens to the volume of the lungs when you are breathing in?

It increases

7

Exhalation means...

breathing out

8

What happens to the intercostal muscles when they relax?

They move the ribcage down and in

9

What happens to the intercostal muscles when they contract?

The move the ribcage up and out

10

What happens to the pressure in your lungs, causing you to breath in during inhalation?

It decreases

11

What happens to the diaphragm when it contracts?

It flattens (moves down)

12

What happens to the diaphragm when it relaxes?

It moves up

13

Do muscles contract or relax when you breath out?

Relax

14

Do muscles contract or relax when you breath in?

Contract

15

What happens to the pressure in your lungs, causing you to breath out during exhalation?

It increases

16

Compare what happens in the lungs when a human breathes in and out.

1.Ribcage moves up when we breathe in and

2.moves down when we breathe out.

3.Diaphragm moves down/contracts when we breathe in

4.and moves up/relaxes when we breathe out.

5.Chest volume increases when we breathe in

6.and decreases down when we breathe out.