1) Body systems are groups of _______ that work together to perform a specific job.  a) procedures b) organs 2) The name of this body system is: a) respiratory system b) digestive system 3) The name of this body system is:  a) digestive system b) musculoskeletal system 4) The name of this body system is:  a) excretory system b) musculoskeletal system 5) The name of this body system is:  a) nervous system b) digestive system 6) Body systems are sometimes called "_________", which means they're absolutely necessary and essential for life.  a) vital systems b) healthy systems 7) Which is the system in charge of getting oxygen from the air? a) digestive system b) respiratory system 8) In respiration, we breathe in air that contains oxygen, and we breathe out ____________. a) bronchioles b) carbon dioxide 9) The main parts of the respiratory system are:  a) heart, arteries, veins and capillaries b) nose, mouth, trachea, bronchi, lungs and diaphragm 10) The bronchi divide into smaller tubes inside the lungs. These tubes are called __________. a) bronchioles b) nerves 11) The system in charge of moving blood around the body is called: _________ a) circulatory system b) digestive system 12) Blood is like a delivery system. It carries oxygen, water, and other nutrients to all the cells in the human body.  a) True b) False 13) The main organs in the circulatory system are:  a) brain, spinal cord and nerves b) heart and blood vessels (arteries, veins and capillaries) 14) It is a muscular organ. Its function is to pump blood around the body through the blood vessels. a) trachea b) heart 15) The heart is divided into four chambers. The left and right atriums, and left and right ___________. a) ventricles b) capillaries 16) These are blood vessels that carry blood from the heart to the rest of the body. The blood inside them is rich in oxygen.  a) veins b) arteries 17) These are blood vessels that carry blood back to the heart. The blood inside them is low in oxygen and contains carbon dioxide. a) veins b) arteries 18) Capillaries are the smallest blood vessels. They connect the veins and the arteries.  a) True b) False 19) Common illnesses are caused by microbes called __________________. a) left and right ventricles b) viruses and bacteria 20) We get __________ because the microbes enter our body through the mouth, nose or a wound. a) stronger b) sick 21) This illness is caused by a virus. It affects the upper respiratory system.  a) chicken pox b) common cold 22) These are symptoms of a common cold:  a) high fever, rash, strong body aches b) sore throat, sneezing and coughing, runny nose 23) This illness is caused by a virus. It affects the respiratory system. Its symptoms begin quickly and causes high fever and strong body aches. a) the flu or influenza b) common cold 24) This illness is caused by a virus. It mainly affects children. It is highly contagious. Another name for it is "varicella". a) the flu or influenza b) chicken pox 25) The main symptom of chicken pox is:  a) sneezing and coughing b) a rash in the form of red spots on the skin 26) The things that we can do to prevent illness and keep our bodies in good condition are called: a) nutrients b) healthy habits 27) A balanced diet contains food from the different groups.  a) True b) False 28) They help our bodies stay healthy in many different ways. We find them in fruits and vegetables. a) fats b) vitamins and minerals 29) They give us the energy we need to move and even breathe:  a) carbohydrates b) fats 30) Our muscles are made up of ____________.  a) vitamins b) proteins 31) We could not live without __________ - it transports oxygen. a) fat b) iron 32) Our smile is all thanks to ________, which forms our bones and teeth. a) calcium b) iron 33) They help our brain and nerves, but we only need a little each day.  a) vitamins b) fats 34) Brushing our teeth after meals, washing our hands, taking showers frequently and using a tissue when we sneeze are part of our: a) balanced diet b) personal hygiene 35) It is a good idea to visit the doctor from time to time. This visit is called a: a) check-up  b) balanced diet 36) When we visit the doctor, he or she measures our ____________. a) height and weight b) nose and mouth 37) When we visit the doctor, he or she __________ inside our ears, nose, mouth and throat. a) measures b) looks 38) When we visit the doctor, he or she tests our _____________________. a) hands and feet b) sight and hearing 39) When we visit the doctor, he or she measures our _______________ using a sphygmomanometer.  a) weight b) blood pressure 40) When we visit the doctor, he or she listens to our __________________ with a stethoscope.  a) heart and lungs b) stomach and intestines 41) ___________ helps our body recover from our daily activity. The most important form of this is sleep.  a) Hygiene b) Rest 42) This is the help we give a sick or injured person before they can see the doctor or get to a hospital:  a) rest b) first aid 43) What can we do if someone has burned their hand? a) Cover it with a cloth b) Put it under cold running water 44) What can we do if someone has a big cut? a) Put it under cold running water b) Cover it with a cloth and apply pressure 45) What can we do if someone has a broken bone? a) Keep them still and support the injury b) Cover it with a cloth and apply pressure 46) Always make sure ___________________. a) your cell phone is charged. b) it is safe for you to help first.  47) Always try to ____________. a) get the help of an adult. b) support the injury. 48) If you think the injury is serious, ________________. a) wait until your parents tell you what to do. b) call emergency services.

4thG Science - Units 1 & 2_25-26

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