The Circulatory System

Continuing our study on the human body, we did a “Mrs. Frizzle” and took a field trip into the circulatory system this week.

A friend of ours, who is moving away, gave us her book The Way We Work by David Macaulay, the same author who wrote The Way Things Work Now and Underground. I love the illustrations he makes as he explains the workings of the human body. He explains the liver as a factory, depicting red and blue pipes for the veins and arteries. The Circulatory System is like riding on a roller coaster, eventually reconnecting with itself as it loops around. It explains the human body’s systems work in a way that is fascinating to both kids and adults.

The kids learned how blood travels through the blood vessels to deliver oxygen and nutrients to our organs.

First, the kids laid down and we drew their outlines on some craft paper. They decorated themselves with hair and jewelry. They even found some bird and leaf stickers I had lying around and stuck them on their self portraits.

We used some 6mm tubing that we purchased from Lowe’s for the blood vessels and they taped it onto their sketches.

The heart was a neat little addition. We used a 6mm primer bulb that I found on Amazon. It’s a one-way valve used for vehicles, but worked perfectly as a heart for our purposes.

Both ends of the tubing were connected to create a contained system.

Then we cut the tubing to be able to add the liquid in the reservoir.

I added about a cup of blueberry juice to a container of water. It had already been sitting in our fridge for 3 weeks, so either throw it out or repurpose it! You could probably use food coloring too. Just make sure you put down plastic under your project in case it spills.

Then we set to work pumping blood.

The each had a chance to pump blood through their own silhouettes.

Watch the video of it in action!

What’s in a Drop of Blood?

We are starting our human anatomy unit in 2018 with a look at blood!

Blood is the life force of all people and animals. Leviticus 17:11 says, “For the life of the flesh is in the blood.” Blood plays an important role in keeping our bodies functioning as they should. It not only keeps us alive, but delivers oxygen and nutrients to our organs, muscles, brain, and limbs. It attacks foreign invaders when we get sick and heals us by building a protective wall around cuts and scrapes.

In our experiment, we assembled the major components of blood: red blood cells, white blood cells, platelets and plasma. While it does lots of other things, we focused on these four items in this experiment.

To do the experiment, we used:

Corn Syrup (Plasma)
Red Hots (Red Blood Cells)
White Beans (White Blood Cells)
Oats (Platelets)

First we added the plasma, which makes up about half of blood. The plasma is the fluid mixture that lubricates the cells.

Then we added the red blood cells. It was pretty thick to mix, but the viscosity helps hold the cells in place.

The we added the white blood cells.

And finally mixed in the platelets.

As we were making it, we went over what each cell does and how it functions in the body.

The kids thought it was so neat to make blood. It looks like they have seen in books and being able to see what actually goes into it helped bring that concept to life.

101 Bible Memory Verse Cards

Happy New Year 2018!

This year, our family is going to be focusing on learning Bible memory verses. We’ve done a few in years past, usually as they are connected with Bible lessons at church, but we haven’t kept with them and once the lesson is over, they are forgotten.

The memory verses we are going to focus on this year are the more common verses every child, and adult, should know.

Children have amazing memories! I’ve witnessed my children reciting long stories from books they’ve read only a few times.

Knowing these memory verses by heart, will be a great benefit as they grow older. What they learn now in their childhood, will be more easily remembered for their lifetime and pulling from that Scriptural knowledge when trials come will give them a wealth of wise counsel when they need it most.

I’ve put together a document of 101 memory verses which can be done in just a few minutes, once or twice a week.

These printable cards can be downloaded here for use in your home. Print it on heavy cardstock to make the cards more durable.

Thanks to my sister-in-law for her list of memory verses she uses with her kids. I’ve incorporated a few of them into this list.

What are you doing new this year?

The Ultimate List of Homeschool Holiday Deals 2017

1. Christian Book Distributors

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What are your favorite deals?