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What does the Cardiovascular System do?
Uses blood to carry material to/from cell
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What are the Veins?
Blood vessels that direct blood back to the heart.
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What are Arteries?
Blood vessels that direct blood away from the heart.
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What is Hemoglobin?
The protein that gives the RBC's their color, sticks to inhaled oxygen.
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What does blood compose of?What is it?
Connective tissue, Composed of Plasma, Blood Cells,Platelets
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What are Antibodies?
A protein released by WBC to destroy pathogens.
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What is plasma?
The fluid part of the blood.
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What are RBC? What does it do?
Most blood cells are RBC. To take oxygen to the cells.
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What are WBC?
Cells that help people stay healthy by destroying pathogens.
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What are Capillaries?
They are the smallest blood vessel, so small, blood cells must pass through single file.
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What is an atria?
Upper chamber of the heart
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Whats a ventricle?
Lower chamber of the heart.
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Lymphatic System?
Collection of organs that return extra fluid.
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Lymph
Fluid and particles absorbed into the lymph capillaries
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Lymph Nodes
Small, bean-shaped organs that remove pathogens.
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Spleen
Largest lymph organ. Filters blood
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Lungs
Spongelike, contains alveoli.
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Diaphragm
Dome-Shaped muscle, that,when contracting, increases the chest cavity
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Bronchi
2 tubes the trachea splits up into.
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Alveoli
Thousands of tiny sacs in the lungs
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Pharynx
Throat. Air, Food, Drink travels through. branches into 2 tubes. Esophagus->to the stomach. Larynx->To the lung
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Thrachea
Windpipe. Passageway for air trveling from larynx to the lung
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Digestion
Process of breaking down food
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Saliva
Made in salivary gland, has enzymes that begin chemical digestion.
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Chemical and Physical Digestion
- Large molecules being broken down.
- Physical crushing and breaking of food.
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Esophagus
A Tube that leads from thrachea to the stomach.
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Large Intestine
Organ in the digestive system that stores compacts and gets rid of indigestible waste.
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Villi
Small finger like projections that increase the surface area of the Small Intestine
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Chyme
The digested mixture in the stomach
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Enzymes
A substance that breaks down nutrients
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Pancreatic juices
A juice in the pancreas that has enzymes
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Functions of liver
- Makes bile
- Stores nutrients
- Breaks down toxic material
- Makes cholesterol
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Bile
Something made and used in fat digestion. Stored in the gallbladder. Green
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Small Intestine
Where chemical digestion takes place. Covered in Villi
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Urinary System
Removing of waste products from blood
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Methods of extretion
Integumentary, respiratory,urinary systems
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Kidneys
Pair of bean-shaped organs, clean the blood
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Nephron
Tiny filterers in the kidneys
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Urea
Contains nitrogen, forms when cells use proteins
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Ureter
Small tube in which the urine leaves the kidneys.
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Bladder
Where urine is stored
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Urethra
Where the urine leaves the body
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Diuretic, Example
Makes more urine, Caffeinated drinks
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ADH
Hormone that signals kidneys to take back water
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