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‘‘ 5 7”‘ GA“radea‘Chapte_r _3 Lesson 2

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your Wonderful Body '

'- * Systems: 
— Highest level of organization. 

- Defined as:  a group of organs which function
t...
ii

your Wonderful Body '

-- * Cardiovascular System: 

— All cells must have food,  water,  and oxygen and have
wastes r...
-3

Your Wonderful Body '

'- * Cardiovascular System: 

— Oxygen,  nutrients,  and wastes are all
exchanged from blood to...
-3

Your Wonderful Body '

"* Head

° Atrium- upper heart
* Ventricle- lower heart

— Pulmonary Circulation

* Pulmonary C...
-3

Your Wonderful Body '

Head

— Coronary Circulation: 

* The flow of blood which serves the tissues of the
heart itsel...
ii

Your Wonderful Body '

-- * Blood: 

— Blood Transports: 

0

Oxygen from Respiratory System

Nutrients from Digestive...
Your Wonderful Body '

-- * Blood: 

— Circulatory system links all the systems of the body

~ Lymphatic System: 

— Funct...
Your Wonderful Body '

'- * Lymphatic System (Immune System): 

— The lymphatic system moves lymph similar to
how blood mo...
-3

Your Wonderful Body '

"V * Immune system: 

- Immune system- a special system of defense
that fights invading microorg...
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7th Grade Chapter 3 Lesson 2

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7th Grade Chapter 3 Lesson 2

  1. 1. 4;) ‘‘ 5 7”‘ GA“radea‘Chapte_r _3 Lesson 2 4: 1 Pgs.83-8.9L _, ’ I‘ ForStudent'Use_On| y n , .I (i‘ . ‘ j
  2. 2. your Wonderful Body ' '- * Systems: — Highest level of organization. - Defined as: a group of organs which function together as a unit to perform a definite job for the body. * All systems work together and when one is not working it affects others * Each body system performs its own special job
  3. 3. ii your Wonderful Body ' -- * Cardiovascular System: — All cells must have food, water, and oxygen and have wastes removed! ° The cardiovascular system is the transport system for your body — Main Parts: ° Heart- organ that pumps blood ° Arteries- carry blood away from the heart ° Capil| aries- tiny connecting tissue (gets blood to cells) ° Veins- collect blood from capillaries and return to heart
  4. 4. -3 Your Wonderful Body ' '- * Cardiovascular System: — Oxygen, nutrients, and wastes are all exchanged from blood to cells and cells to blood. * This takes place by diffusion — Diffusion: The mixing of gas or liquid, molecules by movement of molecules. * Muscle system helps blood pump through the veins
  5. 5. -3 Your Wonderful Body ' "* Head ° Atrium- upper heart * Ventricle- lower heart — Pulmonary Circulation * Pulmonary Circulation: the flow of blood between the heart and the lungs ° Right side of heart pumps blood full of carbon dioxide to lungs - Left side of heart pumps oxygenated blood to body
  6. 6. -3 Your Wonderful Body ' Head — Coronary Circulation: * The flow of blood which serves the tissues of the heart itself — Systematic Circulation: * The flow of blood between the heart and rest of the body
  7. 7. ii Your Wonderful Body ' -- * Blood: — Blood Transports: 0 Oxygen from Respiratory System Nutrients from Digestive System Wastes from bodies cells Hormones from Endocrine System Micro-organism fighting antibodies from the lymphatic system Blood Proteins Enzymes Water
  8. 8. Your Wonderful Body ' -- * Blood: — Circulatory system links all the systems of the body ~ Lymphatic System: — Function is to assist in circulating certain body fluids and in protecting your body from disease - Tissue F| uid- liquid that surrounds cells ° Lymph Capillaries- dirty fluid is forced into capillaries to leave the body (fluid now is called lymph)
  9. 9. Your Wonderful Body ' '- * Lymphatic System (Immune System): — The lymphatic system moves lymph similar to how blood moves, but lymph does not circulate — Lymphatic system moves lymph with muscle movements. — Lymph is stopped from leaking back by valves — These organs make up the immune system
  10. 10. -3 Your Wonderful Body ' "V * Immune system: - Immune system- a special system of defense that fights invading microorganisms — lntegumentary system- also helps immune system * Skin- protects from microrganisms ° Mucous- traps invaders in sticky fluid * Hydrochloric Acid- eats invaders in stomach
  11. 11. ' . ' f. "‘. .nV' "CV . . -'-"'7! M i -1.7‘! P ‘ l»_ n‘, , _ : h‘ v .17 ‘ 33,3 vfl. ‘ , 9mti[_ Wonderful Bod «V» -—. ..: _»f_i, »»m. .,-, - ‘ , ‘_', ¢V—_»# «' - :51‘. 7 . J-— “I, '2 ° Respiratory System: «- ~ . " av — Function- exchange oxygen for carbon 0. - dioxide __ ° Nasal Cavity- (nose) where air is warmed, z. .. ’ 1 moistened and filtered P‘-. ~“. ‘ — Mucous- catches foreign substances , . ”' ° Pharynx- throat - ° Larynx- voice box - Trachea- windpipe . o - ‘ _‘; —. . _. ‘ ' _ _ 9' 6 was
  12. 12. "' W I wzxvw " f: ‘- ‘ . -»,4‘ "ha , _ r Wonderful Body «V-—--V --. ... . . .V. .-», _.«, -I _ ; ““” . I «r '» ° Respiratory System: :- — Bronchi- tubes that leads to the lungs ,3. - — Lungs- where air sacs are located and where _- gas exchange takes place tau NV — Diaphragm- breathing muscle (part or .5 respiratory and muscle system) ° Oxygen moves into lungs by diffusion " ° Carbon Dioxide moves out by diffusion . . ’ ’ fr V"? ‘"“"‘

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