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AP Chapter 38 essay
questions
19
Biology
11th Grade
03/21/2012

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Term
Flame cells are the excretory systems of _____.
Definition
planarians
Term
Water is sucked into the cell through____and is pushed out by ____through _____. This is how planarians rid themselves of ____.
Definition
diffusion; cilia; exretory pores; excess water
Term
Why are flame cells called flame cells?
Definition
because they look like a flame
Term
What is a nephridia and what does it do?
Definition
it is a coiled tube that functions as an excretory organ
Term
Water is taken in through the _____and travels through the ____.
Definition
nephridiostome; nephridia
Term
How many nephridia are present in each segment of an earthworm? What is this called?
Definition
two; paired nephridia
Term
Water exits the earthworm through _____.
Definition
the side of the earthworm
Term
Chapillaries along the nephridia _____.
Definition
extract nutrition and transport it to the body
Term
_____exist in insects.
Definition
Malphigian tubules
Term
Malphigian tubules take _____that are floating around and _____. What happens to the waste and what happends to the nutrition?
Definition
malphigian tubules take fluids floating around and suck the fluid up and the waste is put into the digestive system and the nutrition is released back into the body for use
Term
What are the four main parts of the human urinary system?
Definition
two kidneys, ureters, the urinary bladder, and the urethra
Term
The ____are connected to the kidneys.
Definition
ureters
Term
What do the ureters do?
Definition
they collect all the filtrate and deliver it to the urinary bladder
Term
What does the urniary bladder do?
Definition
holds the urine until a person is ready to pee
Term
What does the urethra do?
Definition
releases the urine to the outside of the body
Term
Each kindney is made up of _____.
Definition
1,000,000 nephrons
Term
in the nephrons, there is a place where blood enters called the _____.
Definition
glomerulus
Term
At the glomerulus, what happens?
Definition
nutrition and waste exist the blood and enter the nephron path
Term
____surround the nephrons and reabsorb the ____and _____is peed out.
Definition
capillaries; nutrition; waste
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