Pratique du Shadowing: Why do we get Thirsty? | #aumsum #kids #education #science - Apprendre l'anglais à l'oral avec la vidéo
Choisissez un mode d'entraînement
Chaque mode ouvre une salle d'entraînement en plein écran.
75 phrases
Si les phrases sont trop courtes ou trop longues, cliquez sur Edit pour les ajuster.
1
Um-Sum moved through his football drills one step at a time,
2
feeling the grass shift gently beneath his shoes with every turn.
3
The afternoon carried a soft heat that grew gradually around him,
4
warming his face and arms.
5
As he sprinted forward, his breathing grew heavier,
6
sending warm air repeatedly across his tongue.
7
Sweat gathered along his hairline,
8
forming tiny droplets that moved slowly toward his jaw.
9
When he paused for a moment to reset his stance,
10
he felt a faint dryness settling inside his mouth.
11
A thin, capery feeling that made him swallow more often.
12
Each swallow felt slightly slower than the last.
13
Even the breeze that touched his face felt warm,
14
drying the edges of his lips.
15
As he stood there, sensing each of these small changes,
16
a gentle question surfaced naturally inside him.
17
Why do we get thirsty?
18
So, let's help AumSum solve this question.
19
Why do we get thirsty?
20
The human body is made up of a large amount of water,
21
which helps regulate temperature, transport nutrients,
22
support chemical reactions, and keep organs working efficiently.
23
Because water is constantly used,
24
lost, or redistributed within the body,
25
it must be replaced regularly.
26
The first place where the need for water is detected is deep inside the brain,
27
within a region called the hypothalamus.
28
It keeps track of how much water is present in the blood and tissues.
29
When the body begins to lose water through breathing,
30
sweating or normal chemical activities,
31
the blood becomes slightly more concentrated.
32
This concentration is sensed by special cells in the hypothalamus known as osmoreceptors.
33
These cells are very sensitive and notice even the smallest changes in water balance.
34
When they detect that the body's fluids are becoming too concentrated,
35
they send signals that create the feeling of thirst.
36
Thirst can also occur when the body becomes warmer.
37
During physical activity or on a hot day,
38
the body releases sweat to cool itself down.
39
Sweat contains water and minerals,
40
and losing these fluids increases the concentration of the blood.
41
As soon as this happens,
42
the thirst signal grows stronger to encourage the person to replace what has been lost.
43
The mouth and the throat play a small but noticeable role as well.
44
When the tissues in these areas dry out,
45
the body receives sensory information that supports the thirst response.
46
The kidneys also contribute to thirst by monitoring changes in blood pressure and blood volume.
47
When the body loses water,
48
the total volume of blood circulating through the vessels decreases.
49
Specialized cells within the kidneys,
50
called juxtaglomerular cells, detect this drop.
51
In response, they release a hormone called renin,
52
which begins a chain reaction known as the renin-angiotensin system.
53
This system tightens blood vessels and directly stimulates areas of the brain that generate the desire to drink to drink.
54
Thirst is also influenced by the body's internal clock,
55
known as the circadian rhythm.
56
Throughout the day, the brain adjusts hormones and signals that control hunger, temperature, and hydration.
57
Research shows that the brain increases thirst slightly,
58
in the late afternoon and early evening, even before dehydration occurs occurs.
59
This anticipation helps the body prepare for nighttime,
60
ensuring that tissues remain hydrated,
61
blood stays balanced, and cellular functions continue smoothly through the night.
62
The hormone system becomes involved too.
63
When the body needs more water,
64
the hypothalamus instructs the pituitary gland to release a hormone called vasopressin.
65
This hormone travels through the bloodstream to the kidneys,
66
signaling them to conserve water instead of releasing it as urine.
67
This process slows down water loss while the person finds and drinks more fluid.
68
Food also influences thirst.
69
Salty foods increase the concentration of sodium in the bloodstream.
70
When this concentration rises, the osmoreceptors detect the imbalance and create the feeling of thirst to help dilute the excess salt.
71
Dry foods can also stimulate thirst indirectly by drawing water into the digestive system to help break them down.
72
The environment shapes this feeling as well.
73
Hot weather, dry air, windy conditions or high altitudes increase fluid loss without people always noticing.
74
Even speaking for long periods or breathing faster than usual can reduce moisture in the mouth and throat,
75
encouraging the thirst response.
Télécharger l'application
Tout pour parler couramment
Prononciation IAChaque phrase notée
Phonétique (IPA)Maîtrisez chaque son
VocabulaireEnrichissez votre lexique
Jeu de vocabulaireApprenez en jouant
Même chaîne
A21
Why do we have Leap Years? + more videos | #aumsum #kids #science #education #children
KidsDaily Conversation
A21
What if Germany Disappeared? + more videos | #aumsum #kids #science #education #children
KidsDaily Conversation
A28
What if Paris Disappeared? | #aumsum #kids #science #education #children
KidsDaily Conversation
A21
What if Basketball Disappeared? + more videos | #aumsum #kids #science #education #whatif
KidsDaily Conversation
A21
What if Elevators Disappeared? + more videos | #aumsum #kids #science #education #children
KidsDaily Conversation
A21
Why do Airplane Windows have Tiny Holes? + more videos | #aumsum #kids #science #education #whatif
KidsDaily Conversation
A22
How does a Oximeter Work? + more videos | #aumsum #kids #science #education #children
KidsDaily Conversation
A22
What if there were no Schools? + more videos | #aumsum #kids #science #whatif #children
KidsDaily Conversation
A22
Why do Birds Chirp in the Morning? + more videos | #aumsum #kids #science #education #whatif
KidsDaily Conversation
A21
What if there was No Electricity? + more videos | #aumsum #kids #science #education #children
KidsDaily Conversation
A26
How does an Airplane Fly? + more videos | #aumsum #kids #science #education #children
KidsDaily Conversation
A2What if we stopped drinking water? | #aumsum #kids #science #education #children
KidsDaily Conversation
A24
Why do Giraffes have long necks? + more videos | #aumsum #kids #science #education #whatif
KidsDaily Conversation
B124
How are Rainbows formed? + more videos | #aumsum #kids #science #education #children
KidsDaily Conversation
A22
How do Snakes Move? + more videos | #aumsum #kids #science #education #children
KidsTeensDaily Conversation
A21
Photosynthesis | #aumsum #kids #science #education #children
KidsTeensHigh School Students
A22
Why do Zebras have Stripes? + more videos | #aumsum #kids #science #education #children
KidsTeensDaily Conversation
A22
Why do Corpse flowers smell so Bad? + more videos | #aumsum #kids #science #education #children
KidsTeensDaily Conversation
A27
How does a 3D Printer Work? + more videos | #aumsum #kids #science #education #children
KidsTeensDaily Conversation
A21
The Electric Loop Planet! | #aumsum #kids #shorts
KidsDaily Conversation
FOR YOU
Vidéo recommandée
C147
12 phrases
Why Do We Itch?
IELTS PrepTOEFL PrepUniversity Students
C12
31 phrases
bài học 13 - 2
IELTS PrepTOEFL PrepUniversity Students
C11
110 phrases
Feedback Mechanisms - Your body’s control Systems - Physiology
IELTS PrepTOEFL PrepUniversity Students
C12
270 phrases
The Most Misunderstood Concept in Physics
IELTS PrepTOEFL PrepUniversity Students
C17
67 phrases
This Happens To Your Body When You Start Drinking More Water Every Day
Daily ConversationUniversity StudentsWorking Adults
B21
64 phrases
Vol 1 - test 8 - section 4
IELTS PrepTOEFL PrepUniversity Students
C111
131 phrases
Fever Feels Horrible, but is Actually Awesome!
IELTS PrepTOEFL PrepUniversity Students
C11
54 phrases
Why Humans Feel Sleepy After Eating
Daily ConversationUniversity Students
C11
380 phrases
A man hiked in the woods. Every brain cell got cooked.
Daily ConversationUniversity StudentsWorking Adults
B2104 phrases
What Don't You Understand? - A Short Film about ADHD
Daily ConversationUniversity StudentsWorking Adults
C12
29 phrases
Crying - Why Do We Cry?
Daily ConversationUniversity StudentsWorking Adults
C14
314 phrases
Homeostasis
American AccentIELTS PrepTOEFL PrepUniversity Students
Vocabulaire et conseils d’expression pour cette leçon
Cette leçon d’expression orale de niveau C1 s’appuie sur la vidéo « Why do we get Thirsty? ». Les mots qui reviennent le plus souvent : thirst, blood, hormone, feeling, fluid. Cette vidéo contient 75 phrases et 699 mots à répéter en shadowing. La partie parlée dure 5:26. Le locuteur parle à un rythme régulier d’environ 128 mots par minute, confortable pour le shadowing. Seuls 73 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc exigeant.
Vocabulaire clé de cette vidéo
Les 15 mots les plus avancés de la vidéo, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| thirst nom | /θɝst/ | soif |
| hormone nom | /ˈhoɹmoʊn/ | hormone |
| detect verbe | /dɪˈtɛkt/ | déceler, détecter |
| hypothalamus nom | hypothalamus | |
| kidney nom | /ˈkɪdni/ | rein |
| bloodstream nom | /ˈblʌd.stɹɪim/ | afflux sanguin |
| stimulate verbe | /ˈstɪm.jəˌleɪt/ | stimuler |
| thirsty adjectif | /ˈθɝs.ti/ | avoir soif, assoiffé |
| swallow verbe | /ˈswɑ.loʊ/ | avaler |
| concentrate verbe | /ˈkɑn.sən.tɹeɪt/ | concentrer |
| angiotensin nom | /ænd͡ʒɪəʊˈtɛnsɪn/ | angiotensine |
| circadian adjectif | /sɚˈkeɪ.di.ən/ | circadien |
| circulate verbe | /ˈsɝ.kjʊˌleɪt/ | circuler |
| conserve verbe | /kənˈsɜː(ɹ)v/ | conserver |
| dehydration nom | /dihaɪˈdɹeɪʃən/ | déshydratation |
Les verbes à particule que vous entendrez
| Mot | Sens |
|---|---|
| dry out verbe | dessécher |
| slow down verbe | ralentir, décélérer |
Prononciation à surveiller
- Les sons « th »: thirst /θɝst/, thirsty /ˈθɝs.ti/, smoothly /ˈsmuːðli/, rhythm /ˈɹɪð.əm/
- Les sons « sh » et « zh »: dehydration /dihaɪˈdɹeɪʃən/, hydration /haɪˈdɹeɪʃən/, specialize /ˈspɛʃəˌlaɪz/, anticipation /ænˌtɪs.əˈpeɪ.ʃən/
- Mots longs — placez bien l’accent: angiotensin /ænd͡ʒɪəʊˈtɛnsɪn/, circadian /sɚˈkeɪ.di.ən/, dehydration /dihaɪˈdɹeɪʃən/, pituitary /pɪˈtuɪˌtɛɹi/, redistribute /ˌɹi.dɪˈstɹɪb.jut/
Les sons difficiles pour les francophones :
- /h/ — il se souffle, il n’est pas muet: hormone /ˈhoɹmoʊn/, dehydration /dihaɪˈdɹeɪʃən/, hairline /ˈhɛɹˌlaɪn/, hydrate /haɪˈdɹeɪt/, hydration /haɪˈdɹeɪʃən/
- /tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: angiotensin /ænd͡ʒɪəʊˈtɛnsɪn/, digestive /daɪˈdʒɛstɪv/, moisture /ˈmɔɪs.t͡ʃɚ/, adjust /əˈd͡ʒʌst/, gently /ˈd͡ʒɛntli/
- /r/ anglais — langue recourbée, sans frotter la gorge: hormone /ˈhoɹmoʊn/, bloodstream /ˈblʌd.stɹɪim/, renin /ˈɹi.nɪn/, concentrate /ˈkɑn.sən.tɹeɪt/, conserve /kənˈsɜː(ɹ)v/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme thirst, hormone, detect.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.