Human systems (solucionario)

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1.- Have a look at these words and predict what it is the unit about.
Human Systems
2.- Find the words. You can use your dictionary or a computer.
Digestive: digestivo
Feces: heces
Blood: sangre
Ovaries: ovarios
Circulatory: circulatorio
expel (verb): expulsar
Heart: corazón
Uterus: útero
Excretory: excretorio
mix (verb): mezclar
blood vessels: vasos
sanguíneos
Vagina: vagina
Reproduction:
reproducción
Oxygen: oxígeno
Arteries: arterias
estes: testículos
Respiratory: respiratorio
Breathe: respirar
Capillaries: capilares
Penis: pene
Digestion: digestión
carbon dioxide: dioxide
de carbono
Veins: venas
Prostate: prostate
Esophagus: esófago
Trachea: tráquea
Waste: basura,
desperdicio
Breasts: pechos
Stomach: estómago
bronchial tubes: tubos
bronquiales
Kidneys: riñones
softer voice: voz suave
small intestine: intestine
delgado
Lungs: plulmones
Bladder: vejiga
wide hips: caderas anchas
large intestine: intestine
grueso
Inhalation: inspiración
Urethra: uretra
brush your teeth: cepilla
tus dientes
Anus: ano
Expiration: expiración
Urine: orina
do exercise: hacer
ejercicio
Material AICLE. 4º de Primaria: Human
Systems (Solucionario)
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3.- Label the parts of the digestive system.
mouth
esophagus
stomach
Small intestine
Large intestine
anus
4.- Read and write.
a) Food circulates through this from the mouth to the stomach. esophagus
b) Our teeth are in this. Mouth
c) In this part the food is mixed with a liquid called gastric juice. Stomach
d) Feces are expelled through this. Anus
e) The food is divided into nutritional substances that our body needs.
Small intestine.
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Material AICLE. 4º de Primaria: Human
Systems (Solucionario)
5.- Label the parts of the Respiratory System.
trachea
Nostrils and mouth
Bronchial tubes
Lungs
• How does our Respiratory System work? Explain the process.
Air enters our body through our nose and mouth. It goes through the nostrils. It goes
down through the trachea and bronchial tubes and into the lungs. Finally, oxygen goes
to our blood.
6.- Read and match.
· It is the gas that we breathe
· Carbon dioxide
· There are two in our body
· Expiration
· The process through which our lungs fill with air
· Oxygen
· When air leaves our lungs
· Lungs
· A gas that we eliminate from our body
· Inhalation
Material AICLE. 4º de Primaria: Human
Systems (Solucionario)
5
7.- Write. Listen and check.
Air enters our body through our nose and mouth. It goes through the nostrils. It goes
down through the trachea and after goes to the bronchial tubes and into the lungs.
Finally, oxygen goes to our blood. When we breathe, we can differentiate two movements:
inhalation, our lungs fill with air, we take oxygen from the atmosphere and expiration,
air leaves our lungs, giving off carbon dioxide.
8.- Look and write.
Expiration
Inspiration
9.- Complete this outline.
Blood vessels
Arteries
6
Heart
Veins
Material AICLE. 4º de Primaria: Human
Capillaries
Systems (Solucionario)
10.- Answer these questions.
a. What does blood carry? Blood carries oxygen and nutrients.
b. What is “circulation”? Blood goes around our body.
c. What is the main organ in the Circulatory System? The heart.
What is the function of the heart? It pumps blood around our body and it is
between our two lungs
d. Where is our heart? It is between our two lungs
e. What bones protect our heart? Our ribs protect the heart.
f. What are the three types of blood vessels? Arteries, veins and capillaries.
g. What is the function of our arteries? they take the blood from our heart to
the rest of our body.
11.- Find the circulatory organs.
Y A N A S L H E A R T A
J R M N T V V I B U I L
T T I B D F E K U Y E G
H E O L D K O I U H Z W
V R U K H W T R N C L B
K I B Y C B K G P S J K
V E N M L O D O M Q W E
G S E I R A L L I P A C
D F J O U Q S A H Y E P
S T M P L A X Z V O I M
12.- Label, write and colour.
Kidneys
Bladder
Urethra
Material AICLE. 4º de Primaria: Human
Systems (Solucionario)
7
Uterus
Ovaries
Vagina
Penis
Prostate
Testes
13.- Find reproductive organs.
Djacdajlnfjkdnjkpenisaskfpjfipqpmdndhavaginamajdgcbf
fgwtdfsvuterusmnshakiafaobladderkddkdnbdhewtwrada
jotestesnbcvxdaswqghdlggnfjprostatemfnhydwretsgbcv
fhnjmskshnbgterwdafgshgbdgcfvxmljoplgjovariesnfhds
hsfsbcgftsysmjdndkidneymnfhyrthenbdhjzthdjlrpoyjfn
14.- Listen and tick the correct answer. What is it?
a) They clean our blood and make the urine. KIDNEYS
b) The process through which living things produce other living things with similar
characteristics. REPRODUCTION
c) People with a soft voice and wide hips. WOMEN
d) Organs of male reproductive system. TESTES
e) An organ of the female reproductive system. VAGINA
f) The liquid waste that we eliminate from our body. URINE
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Material AICLE. 4º de Primaria: Human
Systems (Solucionario)
15.- Complete.
Digestive
Respiratory
mouth,
esophagus,
stomach,
small
intestine,
large
intestine,
anus
Nose,
mouth,
trachea,
Bronchial
tubes,
lungs
Circulatory
Heart, veins,
arteries,
capillaries
Excretory
Reproductive
Bladder,
kidneys
and urethra
Ovaries,
uterus
and vagina.
Prostate,
Penis and
testes
16.- Classify these organs.
oesophagus, penis, veins, stomach anus, kidneys, uterus, testes, trachea, prostate, capillaries, heart, mouth, bladder, arteries, nostrils, intestine, bronchial tubes,
lungs, ovaries, vagina
Digestive
System
esophagus
stomach
anus
mouth
intestine
Respiratory
System
Circulatory
System
Excretory
System
Reproduction
System
penis
trachea
uterus
mouth
veins
nostrils
capillaries
Kidneys
testes
bronchial
heart
Bladder
prostate
tubes
arteries
lungs
Material AICLE. 4º de Primaria: Human
ovaries
vagina
Systems (Solucionario)
9
17.- Listen and number the digestive process.
5. The parts of food that we do not need go into the large Intestine.
3. The food goes down the esophagus and goes to the stomach.
1. Digestion begins in the mouth. Our teeth cut and chew the food.
6. They are transformed into feces and they are expelled through the anus.
4. In the stomach, the food is mixed with a liquid (gastric juice).
5. In the small intestine, the food is divided into nutritional substances that our
body needs.
2. Our tongue mixes the food with saliva.
18.- Solve this crossword puzzle.
ACROSS
DOWN
1. BLOOD
2. OVARIES
V
5. EXCRETION.
3. OGYGEN
A
6. STOMACH
4. INHALATION
7. PENIS
9. LUNGS
8. ANUS
10. HEART
11. CAPILLARIES
12. DIGESTION
B L O O D
O
I
R
N
E X C R E T I O N
H
Y
E
G
S T O M A C H
L
P E N I S
N
A N U S
L
U
T
C A P I L L A R I E S
N
O
A
D I G E S T I O N
R
S
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Material AICLE. 4º de Primaria: Human
H
Systems (Solucionario)
T
19.- Order the sentences. How do you digest a pear?
5
4
2
1
6
3
The parts of the pear that my body does not need go to large intestine.
Then the food goes into the small intestine.
The pear, mixed with saliva, goes down the oesophagus.
I chew the pear in my mouth.
At last, the faeces are expelled through the anus.
In my stomach, the pear is mixed with gastric juice.
20.- Match.
1. Faeces are expelled.
2. A long tube composed of two parts.
3. It takes about two hours.
4. A gas that we need to live.
5. They take the blood from our heart to the
rest of our body.
6. They clean our blood and make the urine.
7. Where the urine is stored.
8. An organ of the male reproductive system.
a) digestion
b) arteries
c) oxygen
d) kidneys
e) penis
f) anus
g) bladder
h) intestine
21.- Find the digestive organs.
S V G H J K M L P O M N B H
M Y B V F C D X Z S A R E W
A S A I J N B V C D R E M P
L A R G E I N T E S T I N E
L F D T R E W X S A B V N H
I Y T G H E J V C D A Q E R
N V C X Z S G G H L P O I N
T M B F M O U T H C X D S W
E A Q D F P G B O P G T T F
S C X B G H D G K L I U O N
T F Y T D A W F V A D G M M
I V C N M G Y T E D G T A K
N I P G E U T G D G H Q C W
E W I B F S I M B V F D H R
Material AICLE. 4º de Primaria: Human
Systems (Solucionario)
11
22.- How can you take care of your systems? Look at the pictures and write.
Don´t smoke
Don´t drink alcohol
Don´t eat fatsl
Do exercise
Brush your teeth
23.- Read and tick the correct answer.
a) The process by which food substances are changed into nutritional substances is….
digestion
b) The movements of breathing are… inhalation and expiration
c) Digestion begins in the… mouth
d) Kidneys are organs of the… Excretory System
e) The main organ in the Circulatory System is our… heart
24.- Play BINGO!! Stick 3, listen to the teacher and complete the chart.
Free
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Material AICLE. 4º de Primaria: Human
Systems (Solucionario)
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