August 1st, 2017 The Odyssey by: Homer

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Directions: ANSWER USING COMPLETE SENTENCES! Use the information you have been given to answer questions about: The Excretory System: Liquid waste from digestion

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Level#1

Wastes leave the kidneys as a liquid called urine. Urine is made mostly of water. It contains salts and other substances.

1. What are the liquid wastes that leave the kidneys called?





2. What is urine mostly made of?





3. What else, besides water, does urine contain?







Level#2

Wastes leave the kidneys as a liquid called urine. Urine is made mostly of water. It also contains salts and other substances. Urine leaves the kidneys through tubes called ureters. Then, it is collected in an organ called the urinary bladder.

1. What are the liquid wastes that leave the kidneys called?






2. What is urine mostly made of and what else does it contain?






3. What are the tubes called that carry urine from the kidneys and where is the urine collected?










Level#3


Wastes leave the kidneys as a liquid called urine. Urine is made mostly of water. It also contains salts and other substances. Urine leaves the kidneys through tubes called ureters. Then, it is collected in an organ called the urinary bladder. Urine leaves the body through another tube called the urethra.

1. What are the liquid wastes that leave the kidneys called?

2. What is urine mostly made of and what else does it contain?

3. Explain the complete process of how urine leaves the kidneys and then exists the body.

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