ch 8 Life
Quiz by Kimberly Dendy
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20 questions
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- Q1Sarah decides to test how the evaporation of rubbing alcohol and water affect temperature. She wets one paper towel with water and another with rubbing alcohol. She leaves a third paper towel dry. She wraps each paper towel around a different thermometer and places it under a fan. Which will cool the fastest?noneWaterpaper towelRubbing Alcohol30s
- Q2After playing soccer for one hour, Ana is hot. Luckily, her skin produces sweat, which contains water and salt. How does Ana's skin keep her body cool?Waste salt is removed from the body in sweat.salt traps heat near the skin2water keeps the skin from getting too dry.Evaporation of water removes heat from the body.30s
- Q3Vaccines are used to prevent illness. Most vaccines are given as injections or shots. Before a doctor gives a patient a shot, the doctor wipes the skin with rubbing alcohol. What is the mainreason for wiping off the skin?to prevent painto prevent bleedingto prevent swellingto prevent infection30s
- Q4What part of the human body serves the same purpose as the wires of a security camera linked to the computer? The computer acts as the brain of the system.noseeyesbrainnerves30s
- Q5Which object performs a function similar to that of the human body's skin?telephone wirecamera lensastronaut suithouse frame30s
- Q6A Venus' flytrap has trigger hairs that can sense when a insect lands on its lobes, or leaves. Which statement best sxplains how this differs from the sense of touch in animals?Animals do not need their sense of touch to catch foodAnimals do not have hairs that can sense thingsAnimals use sensory hairs to taste the food as well.The Venus' flytrap does not have a brain to process the information30s
- Q7Ears are used to help us hear. Which specialized cells are found in ears?taste budschemoreceptorsrods and coneshair cells30s
- Q8Plants and animals have highly organized systems. Which of these shows the level of complexity, from simplest to most complex?organism- organs- organ systemsorgan systems- organism- organsOrgans- organ systems- organismOrgan- Plant- Exoskeleton30s
- Q9What happens when food goes into your stomach?the food is completely digested and absorbed into the bloodsteramfood is stored, but no digestion occursacidic juices mix with the food.the food is moved into the large intestine30s
- Q10The digestive system contains several organs working together. Some organs, called accessory organs, never contain food, but are still important to the process of digestion. Which organs are accessory organs to digestion?small intestine and large intestineesophagus and stomachkidneys and bladderliver and pancreas30s
- Q11Which organism below excretes uric acid along with digestive wastes as a thick, white waste product?jelly fishcowflybird30s
- Q12The urinary system plays an important role in regulating the human body. What does the urinary system regulate?bacteria levelsundigested foodoxygen levelsfluid levels30s
- Q13Which of the following organs is part of the female reproductive system?bladderkidneytestesovary30s
- Q14Which organ of the digestive system mashes food and mixes it with acid?large intestinestomachsmall intestineliver30s
- Q15Body systems work together to supply cells with nutrients and oxygen and remove wastes. Which list shows the path of oxygen entering the body?air - respiratory system - circulatory system - cells30s