The Circulatory System

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RYLEE
Today a guest speaker, Lydia, from Monash came in to speak to us about her job as a Scientist and facts about the circulatory System. I learnt many new things about the heart. The boom boom sounds from your heart actually comes from the valves pumping the blood not the heart itself.

ADAM
I learnt where the blood travels through the body from the heart to the lungs, around the body, back to your lungs then back to your heart. It takes 28 seconds to pump blood around your entire body.

PATRICK
You can listen to your heart through a stethoscope. WE got to touch a heart, lungs and a liver. Each organ had a very different texture.
Some other facts I discovered were:

  • we have red and white blood cells
  • we have platelets that make our blood clot
  • blood travels along arteries and veins and capillaries
  • our blood carries oxygen from our lungs around our body
  • the watery liquid in blood is plasma
  • more women die from heart disease than cancer

Learning from Experts

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As we are studying the various body systems and how to keep them healthy we have been inviting in experts to help us with our learning.

Jacqui Johnson is studying Naturopothy and came in to tell us about eating a healthy diet full of fresh fruit, vegetables, water and meat. She gave examples of packaged and processed food, demonstrating the amount of sugar and artificial additives.

Children should have the equivalent of 10 teaspoons of sugar and adults should have the equivalent of 15 teaspoons. All fruits and vegetables, milk products and cereals, contain natural sugars so we should not be consuming additional sugar in soft drinks, juices and lollies.

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Our next expert was Tom Perkins.

He is a Myotherapist. He works on pressure points on muscles, using massage techniques.

He treats many clients with pulled or torn muscles, who overexercise or do not warm up properly before exercise.

He taught us about eating healthy foods to build and maintain strong muscles.

 

He also works at the Collingwood football club so he gave us some of the tips that footballers use to protect their muscles, like ice baths after a game!

 

 

Finally we had Jo Kennedy, a teacher for the hearing impaired, come in to speak to us about caring for our ears.

At first she did not speak at all, but used sign language and facial expressions to communicate with us.

She had students role model the parts of the ear and how they all function together when they are healthy and when they are infected. It was a great way to learn about the workings of the inner ear.

Jo also told us never to use cotton buds to stick inside our ears. It can be dangerous and the wax is in there for a reason, to keep dirt out and keep the ear clean.

 

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Student Directed Learning

In groups we have researched and become experts on different body systems.
Each group presented their learning using posters, slideshows and oral talks, to share the new knowledge. Each group answered the questions:

  • What are the main parts of the system?
  • How does this system work?
  • How does this system contribute to the well being of my body?
  • How do I keep this system healthy?

Here is a snapshot of some of their outstanding work.

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Nurse Bernie visits the Seniors

As we are learning about Body Systems we have invited in our parents, who work in the health industry to come and visit. This week we very lucky to have Bernie come and share her expertise about being a neo natal nurse at the Royal Children’s Hospital.
CHLOE
I learnt that all the cords and wires that are attached to the tiny new born babies is just to help them survive. They check the baby’s heartbeat and breathing. It gives the baby milk also. At the hospital they have a mini zoo and aquarium, classrooms and a playroom for the older children. I really enjoyed learning about what Bernie does. It sounds like a very happy job to have.
JAKE
At the Royal Children’s Hospital they have a play room that is strictly for having fun. No medical staff are allowed to go in there. They also have a movie theatre there. I learnt about how much the nurses help the new born babies. It is great to see them go home stronger and healthier.