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Human Body Unit Study: Curious Trails Homeschool Curriculum (PDF Download)

BooksandWillows  

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Highlights

Join us on this unique journey to explore how our bodies are NURTURED BY NATURE through the AIR we breathe, the WATER we drink, SUNlight, and SOIL. We'll follow an oxygen molecule from an oak tree through our respiratory system. Adventure as a water molecule from our Earth's water cycle through our digestive system (and discover how most of our body parts are made of H2O!) Learn how sunlight helps us grow strong bones and sets our internal clocks (circadian rhythm). Then explore how playing with soil can create our body's healthy microbiome.

Throughout each CURIOUS TRAILS NATURE STUDY you’ll find open-and-go topic study guides and lots of hands-on-activities ranging from S.T.E.M. projects, art invitations, nature journaling, cooking together, and more! This family-style unit is divided into 4 weekly nature lessons with activities that follow and ideas for our younger and older learners. Come together for our unit celebration to study nature poetry while enjoying a delicious Sun Bread!

Important: This is a PDF download. No physical product will be mailed to you. Print at home or at your favorite printing store. This unit is not formatted for double-sided printing. Activity sheets are best printed single-sided.

What's included in the Curious Trails Human Body Unit Study:

WEEK ONE: Air
• Learn how oxygen is created and used in the Earth's oxygen cycle.
• Follow the path of an oxygen molecule through our respiratory system.
• Sculpt a model of your lungs to learn.
• Create a 'working' lung to see your diaphragm in action.
• Discover the benefits of deep breathing exercises.
• Measure and compare the lung capacities in your family.

WEEK TWO: Water
• Discover where water comes from in our planet's water cycle.
• Follow a water molecule through our digestive system.
• Learn the many ways water is used by our body parts.
• Sculpt a model of your digestive system.
• Conduct an experiment to see how water helps break down food in our stomachs.
• Create healthy drinking habits with our water tracker challenge.

WEEK THREE: Sun
• Learn how sunlight is created and its three main ingredients.
• Discover how sunshine helps give us more energy, improves our mood, builds strong bones, and runs our 'master clock'.
• Sculpt a model of your eye and review how sunlight sets our circadian rhythm.
• Conduct an experiment to see how our circadian rhythm affects body temperature, heart rate, and alertness.
• Extend your learning with an experiment to show how Rickets affects our bones.

WEEK FOUR: Soil
•Discover the 5 main types of microbes that live in and all around us.
•Explore why 'playing in the dirt' can be beneficial to our health.
•Learn the importance of our unique 'gut microbiomes' and what we can do to keep our mini friends healthy.
•Sculpt a model of the Escherichia coli bacteria.
•Play a game that will have you building your own microbiome. Just watch out for those pathogens!

UNIT CELEBRATION
Study nature poetry while enjoying a delicious Sun Bread

87 page unit

*Please note, the storybooks and other materials in the product photos are for staging purposes only and are not included with your purchase. Upon purchase you will receive a PDF download file which includes the Google Drive link to your Guide due to file size. If you have any difficulty accessing your Guide file, don't hesitate to contact me and we will figure it out together.

From our family to yours,
Jacqueline

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Reviews for this item

5.0

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(12 reviews)

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5 out of 5 stars 5 This item

Etsy buyer May 13, 2026

Another unit study we've purchased from this seller and once again, far exceeds expectations! I have not started this unit yet but have looked it over and begun planning and it is amazing! It's filled with tons of information and extra activities and will be a completely new and different way to explore anatomy and physiology!

Etsy buyer May 13, 2026

5 out of 5 stars 5 This item

JoAnna Apr 8, 2025

This is our first unity study and my son has really enjoyed it so far

JoAnna Apr 8, 2025

5 out of 5 stars 5 This item

Brittany Feb 17, 2025

Love how intuitively the body systems are connected with the natural systems. A great introduction to body science and how we are a part of our natural environment.

Brittany Feb 17, 2025

5 out of 5 stars 5 This item

Nicole Feb 8, 2025

Creative and holistic, I really enjoy this unit!

Nicole Feb 8, 2025

BooksandWillows
BooksandWillows ·

Blue Mountain, Canada

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Listed on Aug 26, 2026