How the Muscular system and the
Cardiovascular system connect?
BY ZOE PEPPAS L4B
Your blood pushes almost five litres of blood from your blood
vessels every minute.
Diagram from www.smm.org/heart/heart/circ/htm
Have you ever wondered how the heart pumps blood or if the heart is the most important
muscle in the body or what the muscular system parts are and what they do and how the
Muscular system and the Cardiovascular system connect, well this text will help you
answer these questions.
How your heart pumps blood and how the blood
cells work?
The white and red blood cells travel through your veins to all the parts of the body. When
your heart pumps blood it squeezes out all the food and oxygen to the blood cells. The
blood goes through the six mane chambers of the heart. These chambers are the Aorta,
Pulmonary Artery, the left and right Atrium and the left and right Ventricles. When the
blood reaches the lungs it unloads all the carbon dioxide, then it picks up the oxygen
from the heart. After that all the oxygen goes to the heart. While it’s going to the heart the
blood gets cleaned and the fresh rich, blood goes back to the heart and starts again.
The way the red blood cells work is like this:
The red blood cells deliver all the oxygen to the body and then pick up all the spare
carbon dioxide taking it to the lungs. After the blood has passed the lungs and has already
it goes all around your body making sure that you have enough fibber, energy, vitamins
and nitrogens and it make sure’s that your blood isn’t dirty and is working properly.
Is the heart the most important muscle in the
body?
Most of the time the heart is the most important muscle in the body because your heart
cleans your blood and it makes sure that you have enough blood in your body. If you trip
or heart yourself your cut could get infected or your cut could become a scar if you don’t
treat it quickly, so that’s when the plasma goes to the cut and treat’s it by turning your cut
into a scab. After your cut is a scab it starts to slowly fall off or peel off. Once the blood
has gone all around your body and is ready to go back to the heart, your heart cleans out
the dirty blood so that you won’t have dirty blood in your body. Without the heart we
wouldn’t be alive and the dirty blood left in your body. If that were to happen you could
get you really sick or even die, so that’s why we need the heart to clean out our blood.
The heart also ensures that you have clean blood so that your cut doesn’t get infected.
The muscles in your body also help you because they help you lift things and the help
you when you’re playing sport, our muscles are basically in our everyday life.
What the parts in the muscular system are and
what they do?
The parts in the muscular system work like this: The Adductor Longus pulls your legs
inwards to your body, your External Oblique lets you twist and bend sideways, your
Pectoralis Major lets you swing your arms arms around, your Biceps Brachii lets you
bend your arms, your Frontalis are the wrinkles on your fore head and it lifts up your
eyebrows which lets you move them up and down. Your Orbicular Oculi helps you close
and open your eyelids your Sternocleidomastoid twists and bends your neck sideways,
forward and back. Your Levator Labii Superioris extends from the side of your nose
helping to keep your nose bone up, your Triceps are a large muscle at the back of the
upper arm helping you to pick up things, your Deltoid’s are a thick triangular muscle
covering your shoulder joint this part of the body is used for raising the arm away from
the body and the Patella are your kneecaps. They do the work of bending your knees.
How the cardiovascular system and the muscular
system connect?
The way the Cardiovascular system and the Muscular system connect is like this:
The heart pumps the blood out of the six chambers of the heart. The thirteen chambers of
the heart are the Aorta, Superior Vena Cava, the Pulmonary Artery, the right and the left
Atrium and the right and left Ventricles, Aortic Valve, Mitral Valve, Inferior Vena Cava,
Tricuspid valve, Pulmonic Valve and the Pulmonary veins. Then all the blood flows and
travels through the red and the blue veins to all parts of the body including your muscles.
If you get a cut or you heart yourself your blood will get dirty, so that’s why when all the
blood goes around your body it travels all the way back to your heart, and then your heart
cleans your blood so that you have fresh, rich and clean blood again.
Diagram
This is a diagram of the heart.
Diagram from kid’s health line.
Diagram
This is a diagram of the red and white blood cells, plasma, the oxygen, the germs, the
injured blood cells and the platlets.
-The red blood cells
-The white blood cells
-The
plasma
-The
germs
- The oxygen
-The platlets
-The injured blood cells
Bibliography
Habits of the heart ©2000 science museum of Minnesota
www.smm.org/heart/heart/circ.htm (21st of April)
Kid’s health line (20th of April 2010)
All about people_ pages 20 -21
Write all about it! © Andrew Perry and Ron Thomas 2001, Curriculum Corporation
www.biology4kids.com/files/systems_muscular.html (22nd April 2010)
www.kidcyber.com.au/topics/bodyblood.htm (23rd April 2010)
Zoe Peppas 11 years old the 5th of May.
Alexa Tasios
954 words