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Digestive and Excretory System
Ms. S. Young -- Test Mon, Dec. 15
56
Science
7th Grade
12/14/2008

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Term
Urinary System
Definition
another name for the excretory system
Term
removes liquid waste
Definition
the excretory system is the system in the body that _____ _______ _______
Term
excess CO2, water, and urea
Definition
The excretory system rids the body of _______, ____________, and _________.
Term
Urea
Definition
a chemical (poison) that is produced from the breakdown of proteins
Term
1. Kidneys
2. Ureters
3. Bladder
4. Urethral Sphincter
5. Uretha
Definition
What are the five major organs in the excretory system?
Term
Kidneys
Definition
two bean shaped organs
Term
filter waste from the blood and body
Definition
what is the kidneys' main function
Term
nephrons
Definition
the kidneys contain _________
Term
structures that filter blood in the kidneys
Definition
what are nephrons?
Term
urine
Definition
the kidneys produce ________
Term
under the last set of ribs in the back
Definition
where are the kidneys located
Term
ureters
Definition
two major tubes which carry urine from kidneys to bladder
Term
one tube from each kidney
Definition
how many tubes(ureters) from each kidney?
Term
bladder
Definition
sac-like muscular organ that stores urine
Term
urine
Definition
what does the bladder store?
Term
1. expands
2. contracts
Definition
the bladder _________ when full, ________ when empty
Term
urethral sphnicter
Definition
muscle at the opening of the bladder which usually traps urine in body until urination
Term
applies
Definition
when the bladder is full, it ________ preassure
Term
epiglottis
Definition
uretheral sphincter is similar to the ___________
Term
urethra
Definition
tube urine travels through to the outside of teh body
Term
1. kidney
2. ureters
3. bladder
4. internal sphincter (urethral sphinctor)
5. uthera
Definition
[image]
Term
1.mouth
2.esophagus
3.stomach
4.small intestine
5.liver
6.gall bladder
7.pancreas
8.large intestine (colon)
9.rectrum
10.anus
Definition
name the order that your food travels through the body
Term
digestive system
Definition
process be which your body breaks down food into small moleclues
Term
1.breaks down food into molecules
2.molecules absorb water
3.eliminate waste
Definition
what are the three main functions of the digestive system?
Term
mechanical and chemical
Definition
what are the two types of digestion
Term
mechanical digestion
Definition
the tearing and grinding of food
Term
hemical digestion
Definition
enzymes break down food into small molecules to be absorbed
Term
1.mouth
2.salivary glands
Definition
the __________ contians _______ __________
Term
teeth
Definition
mouth contains _______ for grinding
Term
esophagus
Definition
muscular tube lined with mucas
Term
from mouth to stomach
Definition
the esophagus runs from the __________ to ______________
Term
peristals
Definition
wave-like muscle contactions that push food to stomach
Term
epiglottis
Definition
prevents food from entering lungs
Term
stomach
Definition
j-shaped muscular pouch
Term
break down molecules
Definition
the stomach contains digestive juices that ______ ______ _________
Term
1.pepsin
2.hydrochloric acid
Definition
the stomach contains _________ and _______ ______
Term
mucas
Definition
in the stomach, ______ provides protection from the acid it produces
Term
mucas
Definition
in the stomach, ______ provides protection from the acid it produces
Term
mucas
Definition
in the stomach, ______ provides protection from the acid it produces
Term
mucas
Definition
in the stomach, ______ provides protection from the acid it produces
Term
small intestine
Definition
most of the digestion occurs in this organ
Term
1.diameter
2.length
Definition
the small intestine is small in ____________ but long in ___________
Term
enzymes and secretions
Definition
in the small intestine, ______ and ____________________ mix with food
Term
willi
Definition
the small intestines contain__________, tiny finger-like objects that produce nutrients
Term
liver
Definition
largest and heaviest internal organ
Term
filter
Definition
the liver acts as a _______ (to clean)
Term
bile
Definition
the liver produces ______ that breaks up fat
Term
gall bladder
Definition
a small green organ that stores bile
Term
pancreas
Definition
triangular shaped organ
Term
1.proteins
2.starches
3.fats
Definition
pancreas breaks up _________,________,__________.
Term
insulin
Definition
the pancreas produces ________
Term
large intestine
Definition
horse-shoe shaped organ that absorbs water and copresses waste
Term
colon
Definition
another name for large intestine
Term
rectrum
Definition
short tube that solidifies waste
Term
anus
Definition
muscular opening at end of recrum; exit for waste
Term
left side: right side:
1.mouth 1.salivary glands
2.epiglottis 2.esophagus
3.liver 3.stomach
4.gall bladder 4.pancreas
5.large intestine 5.small intestine
6.anus 6.rectrum
Definition
[image]
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