Part 1b - Respiratory System

Question 1

Gaseous exchange

Answer 1

The swapping of gases between the alveoli air and blood

Question 2

Where does gaseous exchange occur

Answer 2

Through a process called diffusion

Question 3

Diffusion

Answer 3

Is going from a high concentration to a low concentration

Question 4

Role of haemoglobin

Answer 4

Carries oxygen around the body

Question 5

What is a spirometer

Answer 5

Capture inspired and expired air, measuring and recording volumes

Question 6

Total lung capacity

Answer 6

The amount of air that can be inhaled at one given time after one long deep breath

Question 7

Vital capacity

Answer 7

The largest volume of air that can be forcefully expired after the deepest possible concentration

Question 8

Residual volume

Answer 8

The amount of air that is left in the lungs after maximal expiration

Question 9

Expiratory reserve volume

Answer 9

The amount of air that can be forced out of the lungs after a normal breath

Question 10

Inspiratory volume

Answer 10

The additional air that can be forcibly inhaled after the inspiration of a normal tidal volume

Question 11

Tidal volume

Answer 11

The volume of air breathed in or out during a normal breath at rest

Question 12

Lungs

Answer 12

2 bags in the chest, behind the ribcage

Question 13

Rib cage and sturnum

Answer 13

A cage of bones surrounding the lungs and vital organs

Question 14

Intercostal muscles

Answer 14

Muscles that lie in between the ribs and helps lift the rib cage during breathing

Question 15

Inspiration

Answer 15

Breathing in

Question 16

Expiration

Answer 16

Breathing out

Question 17

3 types of blood vessels

Answer 17

Arteries veins and capillaries

Question 18

Features of a vein

Answer 18

Low pressure
Thin walls
Valve to prevent back flow

Question 19

Features of capillaries

Answer 19

Tiny Lumen
1 cell thick

Question 20

Features of arteries

Answer 20

High pressure
Thick elastic walls
Small lumen

Question 21

4 valves in the heart

Answer 21

Tricuspid valve
Bicuspid valve
Pulmonary valve
Aortic valve

Question 22

The 4 chambers in the heart

Answer 22

Left ventricle
Right ventricle
Left atrium
Right atrium

Question 23

Highest ideal blood pressure

Answer 23

120-90

Question 24

Lowest ideal blood pressure

Answer 24

60-80

Question 25

Arteries

Answer 25

Away from the heart

Question 26

Veins

Answer 26

Carry blood to the heart

Question 27

Vasoconstriction

Answer 27

Closing of the lumen restricting blood flow

Question 28

Vasodilation

Answer 28

Opening of the line allowing increased blood flow

Question 29

Role of the vena cava

Answer 29

Supplies deoxygenated from the body delivering into the heart

Question 30

Superior vena cava is

Answer 30

Above the heart

Question 31

Contraction of the heart is

Answer 31

Systole

Question 32

Inferior vena cava is

Answer 32

Below the heart

Question 33

Relaxation of the heart is

Answer 33

Diastole

Question 34

Cardiac output

Answer 34

The amount of blood that the heart is able to pump out

Question 35

Heart rate

Answer 35

The number of time your heart beats in a minute

Question 36

Stroke volume

Answer 36

The amount of blood leaving the heart with each contraction