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Human Biology & Health Project Ideas (44 results)

Isn't the human body incredible? From the complex systems that make it work to the numerous ways we're able to cure illnesses, there are so many fascinating subjects to study when it comes to human biology and health. Are you interested in subjects like how the body works, how best to keep it working, and how to cure everything from a common cough to cancer? If so, explore your interests by tackling one of the human biology and health projects from our collection.

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Science Fair Project Idea
Take a deep breath: freshly baked cookies, smoke from a wood fire, or a rose—your nose is an amazing smell detector! Your sense of smell can not only identify a huge variety of odors, but it is also incredibly sensitive. Think about how easily you can detect if someone in your neighborhood has a barbecue just by smelling the hints of smoke from the grill far away. How strong or weak you perceive an odor depends on its concentration. What do you think is the lowest concentration of a… Read more
HumBio_p046
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Time Required Average (6-10 days)
Prerequisites [# Fragment Name="ProjectIdeas.Human.Subjects.Prerequisites" Value="Html" #]
Material Availability This project requires the use of several scents that are part of a kit that can be purchased from Amazon. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety No issues.
Science Fair Project Idea
The benefits of Western medicine have evolved tremendously, with a wealth of tests and medications to treat many conditions. But remembering to take medication or perform a test regularly, consistently, and at specific times can be difficult for elderly people with short-term memory loss, or teenagers absorbed in activities. With mobile devices becoming our constant companions, could a smartphone or tablet offer a solution? The Massachusetts Institute of Technology (MIT) has created a simple… Read more
HumBio_p041
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This project requires the use of a computer with Internet access (preferably wireless). See the Materials list for details.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Ahchoo! Got that stuffy nose and I-can't-breathe kind of cold? Those sniffles and clogged sinuses are bad enough, but why does it also seem everything tastes so bland and flavorless when we are sick? Is there really truth to the idea that smell is a key part of taste? Gather up a few volunteers, hit the kitchen, and try this experiment to find out. Read more
HumBio_p010
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Time Required Very Short (≤ 1 day)
Prerequisites [# Fragment Name="ProjectIdeas.Human.Subjects.Prerequisites" Value="Html" #]
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
When someone yells, "Think fast!" and throws you a ball, are you able to catch it? When the bell rings at the end of class, are you the first one out of your seat? Can you make it through a sudden hairpin turn in a video game without crashing? If so, then you likely have quick reaction times. In this science fair project, you'll look at reaction times (how fast people react to sensory events), and see if people who play video games have faster reaction times than those who do not. Read more
HumBio_p025
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Time Required Average (6-10 days)
Prerequisites None
Material Availability You will need a personal computer with Internet access for this science fair project.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
The holidays are a wonderful time, when lots of good foods and good smells come from the kitchen. But have you noticed that if you stay in the kitchen awhile, you no longer notice the delicious smells? Don't worry! Your nose is not broken, you are just experiencing olfactory fatigue—basically, that's when your nose takes a nap. But what is behind olfactory fatigue and what happens when you experience it? Does a person's sense of smell "get tired" in the same way for different smells? Put… Read more
HumBio_p031
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
Thinking about improving your sports performance? Want to help friends and family make the most of their physical fitness activities? One factor to consider is food! Whether you realize it or not, what you eat does change your body! It affects how you feel, and can even change how you perform in sports. This science fair project will help you explore the link between what goes in your mouth and what your legs and arms can do. Read more
HumBio_p024
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Time Required Very Long (1+ months)
Prerequisites This science fair project requires you to either have basic knowledge of good nutrition or be willing to spend some time learning about good nutrition. You will also need to collect parental permission from all people participating in this science fair project before beginning.
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is required.
Science Fair Project Idea
How much air do you think you breathe in when you take a deep breath? Can you increase your lung capacity by exercising regularly? Do athletes have greater lung capacity than non-athletes? This project shows you how you can find out. Read more
HumBio_p009
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Time Required Long (2-4 weeks)
Prerequisites [# Fragment Name="ProjectIdeas.Human.Subjects.Prerequisites" Value="Html" #]
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Have you ever had to adjust to a new time zone and noticed that it takes a while before you start to feel normal again? By shifting your sleep and activity schedule, you have altered the pattern of your body's circadian rhythms. Human beings, like many other living things, have a number of internal processes that show a distinct circadian rhythm. The most obvious is our sleep cycle, with activity during the day, followed by sleep during the night. Circadian rhythms have also been demonstrated… Read more
HumBio_p020
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
You might know that your body needs oxygen to keep going, and that you breathe out carbon dioxide as waste. What happens when you exercise? You have probably noticed that you breathe faster, and your heart beats faster. What triggers your body to respond in this way? How does it "rev up" to keep your muscles going? In this project, you will get a peek into the fascinating science of exercise physiology and find out—with the help of a color changing reaction and Google's app. Read more
Zoo_p013
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Time Required Average (6-10 days)
Prerequisites Ability to physically exercise (doing jumping jacks). Knowledge of acid-base reactions is helpful, but not required.
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult assistance recommended for construction and setup of respirometer. Use a safety valve in your experiment as recommended in the procedure to make sure that you do not accidentally suck up some of the indicator solution.
Science Fair Project Idea
Over an average lifetime, the human heart beats more than 2.5 billion times, supplying blood to the entire body. When a person exercises, the heart has to work harder than usual. Have you ever wondered how quickly your heart beats when you exercise, or how long it takes to recover back to its normal rate after you are done exercising? Is the heart rate recovery time faster for people who get regular exercise compared to people who do not? Try out this science project to find out! Read more
HumBio_p008
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Time Required Long (2-4 weeks)
Prerequisites Informed consent must be obtained from every participant in this experiment (parental consent must be granted for minors). In addition, the experimental design (including consent forms) must be approved by the fair's scientific review committee ([# ProjectGuide Name="Advanced.ScientificReviewCommitteeSRC" Value="HtmlAnchor" HtmlText="SRC" #]).
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
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