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) 3 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. 4 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 8 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 10 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 12 Material AICLE. 4º de Primaria: Human Systems (Solucionario)