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The Human Body Systems http://www.youtube.com/watch?v=yxLO6FIG_8k; http://www.youtube.com/watch?v=wWpTa9v5qYU; http://www.youtube.com/watch?v=NF68qhyfcoM; http://www.youtube.com/watch?v=vFwzECyOVLs

7th Grade Science
by

Marty Lewin

on 25 February 2013

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Transcript of The Human Body Systems http://www.youtube.com/watch?v=yxLO6FIG_8k; http://www.youtube.com/watch?v=wWpTa9v5qYU; http://www.youtube.com/watch?v=NF68qhyfcoM; http://www.youtube.com/watch?v=vFwzECyOVLs

The 11 Body Systems The Human Body
Systems 1. Reproductive System
2. Muscular System
3. Endocrine System
4. Immune System
5. Excretory System
6. Digestive System
7. Skeletal System
8. Integumentary System
9. Respiratory System
10. Nervous System
11. Circulatory System (Cardiovascular) 1. The Reproductive System Functions – produces sex cells and hormones that control male and female characteristics; produce offspring

Organs – testes, ovaries 8. Integumentary System 5. The Excretory System 11. Circulatory System (Cardiovascular) Our bodies are the same on
the inside. Your thoughts are what
make you unique. In your journal, starting on the next page, draw a line in the middle of each page. Do this on the next 6 pages. You will need 11 squares, but will have 12. Then number each square on the top left 1, 2, 3, and so on. Please open journal to the next
clean page. We will begin
our notes here. Your title is:
"The Human Body System." The first page is to be Sub-titled... On the left side of your page,
write the numbers 1 thru 11. Functions –
Enables body to move
Allows heart to pump
and circulates blood
through the body
Moves food through the
digestive system Organs - muscles
3 types of muscles:
Skeletal e.g: bicep - Voluntary (you control)
Cardiac e.g.: - Involuntary (you don't control)
Smooth e.g.: organs - Involuntary (you don't control) 2. The Muscular System Functions –
Enables body to move
Allows heart to pump
and circulates blood
through the body
Moves food through the
digestive system 3. The Endocrine System Function –
Controls and regulates many body processes with chemicals (hormones)

For example: growth, development, metabolism Organs – Hypothalamus,
adrenal glands,
pituitary glands,
testes, ovaries Function - Fights disease and infection

Organs -
Lymph glands
Spleen
White blood cells 4. The Immune System Function – Removes waste products from the body: urine, feces, carbon dioxide, sweat, bile, worn out cells Organs – kidneys, bladder,
large intestine,
lungs, skin, liver,
spleen 6. Digestive System Function –
Takes in food breaks it down (digestion) and absorbs needed nutrients. Organs –
mouth
esophagus
stomach
pancreas
small intestine
large intestine
liver
gall bladder
rectum 7. Skeletal System Functions –
Works with muscles to allow movement
Supports and shapes body
Protects major organs
Makes blood cells and stores materials Organs – Bones, joints, tendons,
cartilage, ligaments Now we are going to
cut out the pictures and
glue them in your journal on
far right of the page.
Here is the list from
page one. Integumentary system is also called the Epithelial System. Functions:
Helps regulate body temp
Protects the body
Keeps liquid inside Organs - skin
Sweat glands
* 1st line of defense for
the body 9. Respiratory System 9. Respiratory System Function – Takes oxygen into the body and removes carbon dioxide and water; through the process of breathing and respiration. Organs :
Lungs, bronchial tubes,
bronchi, trachea,
alveoli, diaphragm 10. Nervous System Functions – Controls most body functions, including the 5 senses by carrying information between the brain and the body. Organs :
Brain
Spinal cord,
Nerves (sensory and motor) Functions –
1. Carries needed materials
(food and oxygen) to body cells
2. Carries waste away from body cells
3. Helps fight disease and infection Organs –
Heart
Blood vessels
(3 types: arteries, veins, capillaries) 4. The arteries get smaller until they end in capillaries that attach to veins

5. The oxygen-rich blood is exchanged for oxygen-poor blood and waste from the tissues

6. The oxygen-poor blood travels through the veins to the right atrium.

7. From there the blood travels to the right ventricle and out of the heart to the lungs to get exchanged for oxygen –rich blood. 1. Left atrium(upper chamber) gets oxygen-rich blood from the lungs

2. Blood goes to the left ventricle(lower chamber) and then leaves the heart

3. Oxygen-rich blood goes through the aorta(artery) and other arteries that take the blood to the body. Path that blood travels Example : Phone rings
1. Sensory nerves in the ear send a message to the brain
2. The brain interprets the message and sends information to the spinal cord
3. The spinal cord relays the message to the motor nerves in the arm
4. The arm picks up the phone. Path a stimulus travels 1. The diaphragm, a muscle, allows you to inhale and exhale
2. Air goes into the mouth and nose
3. Air goes down the trachea(windpipe)
4. Air goes into the bronchial tubes (2)
5. Air goes into the bronchioles that are in the lungs
6. Air (oxygen) is exchanged with carbon dioxide in the alveoli, which are surrounded by capillaries Path that air travels 1. Food enters mouth, the salivary glands aid in swallowing
2. Food goes down the esophagus
3. Food enters the stomach and is broken down by bile into molecules
4. Food goes to the small intestine where nutrients are absorbed into the bloodstream through the intestine walls.
5. Food then goes to the large intestine where the liquid is absorbed.
6. Food, which is now feces, goes through the rectum and out the hiney (anus). The path that food travels Created by Marty Lewin for the use at
Medina Valley Middle School, 7th Grade Science,
Ms. Whittington and Mrs. Witte. The End Path that blood travels continued This is a new section that continues your notes
from The Human Body System. On the next page, please glue in the cut-outs that we provide to you. See, hear, touch, taste, smell. www.youtube.com/watch?v=wWpTa9v5qYU www.youtube.com/watch?v=NF68qhyfcoM www.youtube.com/watch?v=yxLO6FIG_8k
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