Skip to main content

Learning About The Human Body Part 3: The Digestive And Nervous Systems

The last two human body systems we studied in depth this year were the digestive and nervous systems. My daughter especially enjoyed the nervous system and learning about the body's senses. In part 3 of my Learning About The Human Body series, I share a few of the activities we did and resources we used to study these two systems. 

If you haven't already, you can read Part 1: The Skeletal And Muscular Systems here, and Part 2: The Respiratory And Circulatory Systems here.




#thebarefootmom


The Human Digestive System

The human digestive tract consists of the mouth, esophagus, stomach, small intestines, large intestines, liver, gall bladder, and pancreas.

It's the system responsible for taking nutrients into the body and processing them so they are ready to be transported by the circulatory system to all the cells of the body.




Stomach In A Bag Activity:

Make a stomach in a bag to demonstrate how the acids in our stomach and the churning motion of our stomach helps to digest food.

For this activity you will need:
-A ziplock bag
-A piece of bread
-Water
-Vinegar

Place a piece of bread and 2 tablespoons of water and 2 tablespoons of vinegar in a ziplock bag.

Have your child squeeze the bag, simulating the churning motion of the stomach. 

Observe how the bread breaks down to an almost liquid form. This is what food looks like as it passes from the stomach to the small intestines. 


Resources For Learning About The Digestive System:

-Digestive System video from The Dr. Binocs Show 

-The Digestive System from ducksters.com- some kid friendly general information about the human digestive system. 

-Digestive System from Kids Biology- learn about the parts of the digestive system and how it all works.

-Digestive System Worksheet from worksheetplace.com

-Make Your Own Digestive System Clay Model from karthicstarman's




The Human Nervous System

The human nervous system is made up of our brain and and a complex system of nerves that carry signals back and forth between the brain and body. The brain controls our body's every move.


5 Senses Activity:

Explore the 5 senses with this simple activity.

Take your child outside and have him or her close their eyes. Then focus on each sense, one at a time. Have your child describe what they smell, what they hear, maybe they can feel a breeze? Then have your child open his or her eyes and describe what they can see.

Talk about how each of your 5 senses collects information from the world around you and sends that information to your brain. 


Why Do We Get Dizzy? Experiment

This is a simple way to demonstrate why we get dizzy after we spin.

You will need:
-A large glass mason jar with a tight fitting lid or a clear 1 or 2 liter soda bottle.
-Glitter
-Water

Have your child spin around in circles about 10-20 times. Ask them how they feel afterward. Do they feel dizzy? Does the room still feel like it's spinning?

Fill your bottle or jar up with water. Add the glitter and place the lid on tightly.

Spin the bottle around several times and set flat on a table. Observe what happens to the glitter and water. It should keep spinning for a bit even after the bottle is set down.




This is exactly what happens to the fluid in our inner ears when we spin. It takes the fluid a minute to stop spinning after we stop. Our inner ears send signals to our brain helping our bodies to stay balanced. When the fluid is spinning our inner ears tell our brain that the body is still spinning even though we've stopped. This is why we get dizzy after we spin!


Resources For Learning About The Nervous System:

-How Your Brain Works video from The Dr. Binocs Show

-The Nervous System from ducksters.com- some kid friendly general information about the human nervous system.

-Nervous System from Kids Biology

-Neurons Model Activity from Solagratiamom- has instructions for making your own neuron model with household items.



Be sure to check out:


Learning About The Human Body Part 1: The Skeletal And Muscular Systems


Learning About The Human Body Part 2: The Respiratory And Circulatory Systems.



Follow me on:

Comments

Popular posts from this blog

Water Relay Races For Kids

I don't know about your kids, but mine absolutely love games involving water and getting wet in the summer time. In  this post I share 5 of our favorite water relay races to play with friends. These are perfect for birthday parties, homeschool get togethers, and other group events. Sponge Relay: For this relay you will need: - 2 teams of several kids each -2 large sponges -4 small buckets or containers of some sort Divide your participants into 2 teams and have each team line up single file at a predetermined starting place.  Hand out a sponge to the first participant in each line. Set a bucket of water by each team. Set an empty bucket about 20 ft away from each team.  The two empty buckets should be the same size and should have a "fill line" marked half way up. On a count of 3 (or ready set go) the first participant in each line should dip their sponge in the bucket of water, run to the empty bucket, squeeze the water from their spo...

STEM Art: 21 STEAM Project Ideas

My kids love STEM projects and we're always looking for ways to add more art to our homeschool days, so I decided I am going to try to dedicate one morning a week this year to STEM art activities. In this post I share some of the ideas we're planning to try, plus a few favorites we've done in the past. What is STEM Education? STEM education is a blended and often hands on approach to teaching science, technology, engineering, and mathematics, which are some of today's fastest growing industries. STEM education offers students the opportunity to problem solve and work on real world problems and questions. Sometimes the acronym STEAM is used, to include the arts. Adding art to STEM education encourages creative thinking and problem solving skills. It can also help make the other included subjects more appealing to some students. STEM Art Projects  Penny Spinners-   Learn about centrifugal force and make your own spinning tops with this fun post from Teach Beside Me. Explo...

Make Your Own Mineral Identification Kit

One of my family's favorite hobbies is rock hounding. We love collecting and trying to identify neat rock and mineral specimens that we come across. You can put together your own simple kit for identifying rocks and minerals with materials you likely already have around your home. In this post I will explain how to put together your own mineral identification kit and how to use it to identify rocks and minerals you find on your adventures. Making a Rock and Mineral ID Kit Grab yourself a printable Rock and Mineral Journal for recording your observations here:  Printable Rock and Mineral Journal ,  and then gather the following supplies: -A pencil -A coin -An iron nail -A piece of glass (an old pocket mirror works well) -A ceramic tile -A small watertight bottle or container -Some vinegar -A magnet  -A magnifying glass -A dropper (optional)  -Rock and mineral guide (optional)  -A small container or bag to keep it all in Fill ...

Learning About Thailand: Activities and Resources

Thailand ended up being a really fun country to study. There are so many amazing Thai recipes to try and lots of neat buildings and monuments to learn about. My family's favorite part of this unit study was learning about Asian elephants, they are such interesting and intelligent animals!  Basic Information  Thailand is a country in southern Asia. It is boarderd by Cambodia, Laos, Myanmar, and the Andaman Sea. The northern region is mountainous while the southern region is hilly and forested. Capital- Bangkok Population- 69.6 million Size- 198,115 square miles Currency- Baht   Type of Government- Constitutional Monarchy National Anthem-  Phleng Chat Thai National Animal- elephant Flag Famous Places The Grand Palace- The Grand Palace in Bangkok was used as the official royal residence of Thailand from 1782 to 1925. It is still used today for ceremonies and state functions. The palace sits on the banks of the Chao Phraya River. It consists of many buildings and pavilio...

Learning About The Human Body Part 1: The Skeletal And Muscular Systems

At the end of each school year, I sit down with my daughter to discuss what topics she wants to learn about the next year. One of her science topics she picked to study this year was the human body. Instead of ordering a boxed curriculum set, I decided to put together my own human body unit. In this post I share some of the resources we used for learning about the human skeletal and muscular systems, plus instructions for a couple hands on learning activities. You can find my post about the human respiratory and circulatory systems  here , and my post about the human digestive and nervous systems  here . The Human Skeletal System Our skeletons are the frame of our body. They give us structure, without them our bodies would be limp like noodles. They also provide places for muscles to attach so our bodies can move. Why Does Your Body Need Calcium? Experiment: This is a simple experiment you can do to explore why calcium is important for our bones. You will need: -sever...