3Material AICLE. 4º de Primaria: Human Systems (Solucionario)

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

4 Material AICLE. 4º de Primaria: Human Systems (Solucionario)

3.- Label the parts of the digestive system.

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.

mouth

esophagus

stomach

Large intestineSmall intestine

anus

5Material AICLE. 4º de Primaria: Human Systems (Solucionario)

5.- Label the parts of the Respiratory System.

6.- Read and match.

· It is the gas that we breathe

· There are two in our body

· The process through which our lungs fill with air

· When air leaves our lungs

· A gas that we eliminate from our body

• 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.

Lungs

Nostrils and mouthtrachea

Bronchial tubes

· Carbon dioxide

· Expiration

· Oxygen

· Lungs

· Inhalation

6 Material AICLE. 4º de Primaria: Human Systems (Solucionario)

7.- Write. Listen and check.

Air enters our body through our nose and mouth. It goes through the nostrils. It goesdown 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.

9.- Complete this outline.

Expiration Inspiration

Blood vessels

Arteries Veins Capillaries

Heart

7Material AICLE. 4º de Primaria: Human 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 lungsd. Where is our heart? It is between our two lungse. 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.

12.- Label, write and colour.

Y A N A S L H E A R T AJ R M N T V V I B U I LT T I B D F E K U Y E GH E O L D K O I U H Z WV R U K H W T R N C L BK I B Y C B K G P S J KV E N M L O D O M Q W EG S E I R A L L I P A CD F J O U Q S A H Y E PS T M P L A X Z V O I M

Bladder

Kidneys

Urethra

8 Material AICLE. 4º de Primaria: Human Systems (Solucionario)

13.- Find reproductive organs.

Djacdajlnfjkdnjkpenisaskfpjfipqpmdndhavaginamajdgcbffgwtdfsvuterusmnshakiafaobladderkddkdnbdhewtwradajotestesnbcvxdaswqghdlggnfjprostatemfnhydwretsgbcvfhnjmskshnbgterwdafgshgbdgcfvxmljoplgjovariesnfhdshsfsbcgftsysmjdndkidneymnfhyrthenbdhjzthdjlrpoyjfn

14.- Listen and tick the correct answer. What is it?

a) They clean our blood and make the urine. KIDNEYSb) The process through which living things produce other living things with similarcharacteristics. REPRODUCTIONc) People with a soft voice and wide hips. WOMENd) Organs of male reproductive system. TESTESe) An organ of the female reproductive system. VAGINAf) The liquid waste that we eliminate from our body. URINE

OvariesUterus

Vagina

ProstatePenis

Testes

9Material AICLE. 4º de Primaria: Human Systems (Solucionario)

15.- Complete.

16.- Classify these organs.

oesophagus, penis, veins, stomach anus, kidneys, uterus, testes, trachea, prosta-te, capillaries, heart, mouth, bladder, arteries, nostrils, intestine, bronchial tubes, lungs, ovaries, vagina

Digestive System

Respiratory System

Circulatory System

Excretory System

Reproduction System

esophagusstomach

anusmouth

intestine

tracheamouth

nostrilsbronchial

tubeslungs

veinscapillaries

heartarteries

KidneysBladder

penisuterustestes

prostateovariesvagina

Digestive

mouth,esophagus,stomach,

smallintestine,

largeintestine,

anus

Respiratory

Nose,mouth,

trachea,Bronchial

tubes,lungs

Circulatory

Heart, veins,arteries,

capillaries

Excretory

Bladder, kidneys

and urethra

Reproductive

Ovaries, uterus

and vagina.Prostate,Penis and

testes

10 Material AICLE. 4º de Primaria: Human Systems (Solucionario)

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.

ACROSS

1. BLOOD

5. EXCRETION.

6. STOMACH

7. PENIS

8. ANUS

11. CAPILLARIES

12. DIGESTION

DOWN

2. OVARIES

3. OGYGEN

4. INHALATION

9. LUNGS

10. HEART

18.- Solve this crossword puzzle.

B L O O D

E X C R E T I O N

VAR E

LUN

S

H

ART

O

YG

N

INH

L

T

O

S T O M A C H

D I G E S T I O N

P E N I SA N U S

C A P I L L A R I E S

11Material AICLE. 4º de Primaria: Human Systems (Solucionario)

19.- Order the sentences. How do you digest a pear?

5 The parts of the pear that my body does not need go to large intestine.4 Then the food goes into the small intestine. 2 The pear, mixed with saliva, goes down the oesophagus. 1 I chew the pear in my mouth. 6 At last, the faeces are expelled through the anus. 3 In my stomach, the pear is mixed with gastric juice.

20.- Match.

21.- Find the digestive organs.

a) digestionb) arteriesc) oxygend) kidneyse) penisf) anusg) bladderh) intestine

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.

S V G H J K M L P O M N B HM Y B V F C D X Z S A R E WA S A I J N B V C D R E M PL A R G E I N T E S T I N EL F D T R E W X S A B V N HI Y T G H E J V C D A Q E RN V C X Z S G G H L P O I NT M B F M O U T H C X D S WE A Q D F P G B O P G T T FS C X B G H D G K L I U O NT F Y T D A W F V A D G M MI V C N M G Y T E D G T A KN I P G E U T G D G H Q C WE W I B F S I M B V F D H R

12 Material AICLE. 4º de Primaria: Human Systems (Solucionario)

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….digestionb) The movements of breathing are… inhalation and expirationc) Digestion begins in the… mouthd) Kidneys are organs of the… Excretory Systeme) The main organ in the Circulatory System is our… heart

24.- Play BINGO!! Stick 3, listen to the teacher and complete the chart.

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