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chapter 20 vocabulary
Vocabulary part 7
vocabulary part 8
Vocabulary part 7
vocabulry part 6
vocabulary part3
vocabulary part4
vocabulary part2
animal definitions
From Flower To Fruit
endocrine glands
Plant Characteristics
nervous system
nervous system part 2
definitions on the cardiovascular system
Chapter HIGHLIGHTS Part 2
The Integumentaty System
How can DNA become damaged?
The Muscular System
quiz yourself
QUIZ part 2
Scientific method
Cell cycle
Cell Division
test your brain
answers to test your brain!
vocabulary chapter 23
science time line on cell division
life science
need help
Gregor Mendel
Mendels second experiment
Terms to learn
Chapter Highlights
Vocabulary part 5
vocabulary part3

1. DIGESTIVE SYSTEM-a collection of organs that breaks down food so that it can be used by the body; the organs in this systems include the stomach, the pancreas, the liver, the gallbladder, the small intestine, and the large intestine.

2. ESOPHAGUS-a long, straight tube that connects the throat to the stomach.

3. STOMACH- a muscular, baglike organ of the digestive tract that is attached to the lower end of the esophagus.

4. SMALL INTESTINE- a muscular tube about 2.5 cm in diameter and up to 6m long; the site of most chemical digestive.

5. PANCREAS-a fish-shaped organs between the stomach and Small Intestine that produces enzymes for chemical digestive.

6. LIVER- a large, reddish brown organ that produces bile and stores nutrients; the liver has more than 200 functions in the body.  


7. GALLBLADDER-a small, baglike organ that stores bile.


8. LARGE INTESTINE- a large organ that reabsorbs water  from the digestive tract and stores, compact, and eliminates indigestible material from the body.


9. URINARY SYSTEM-a collection of organs that remove waste from the blood; this system includes the kidneys, ureters, urethra, and the urinary bladder.


10. KIDNEY-a bean-shaped organ that removes many harmful substance from the blood.


11. NEPHRON- a microscopic filter in the kidney that removes a variety of harmful substance from the blood.


12. URINE-a concentrated mixture of waste material that forms in the nephrons of the kidney.


13. URINEAY BLADDER-   a baglike organ that stores urine until it can be eliminated through t

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