Twenty First Century Additional Science: Homeostasis

A quiz on the B4 subject Homeostasis from Twenty first Century Addition Science 0CR.

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  • Created by: Katie
  • Created on: 12-05-09 16:55
Homeostasis can best be desribed as -
The body's way of maintaining a constant internal environment
1 of 8
Vasoconstriction and Vasodilation help the body to
Keep a constant body temperature
2 of 8
A negetive feed back system is...
Any change in the system that results in an action that reverses the change
3 of 8
What is the optimum temperature for enzymes within the body?
37 degrees C
4 of 8
Diffusion is....
Overall more molecules move away from where they are concentrated to where they are less concentrated
5 of 8
Osmosis is...
diffusion of solids
6 of 8
Useful molecules which are reaborbed back into the blood from the kidney's are:
glucose, some water, some irons of salt
7 of 8
The effect of ADH secreted by the pituitary gland is....
The walls of the kidney tubules become more permeable
8 of 8

Other cards in this set

Card 2

Front

Vasoconstriction and Vasodilation help the body to

Back

Keep a constant body temperature

Card 3

Front

A negetive feed back system is...

Back

Preview of the front of card 3

Card 4

Front

What is the optimum temperature for enzymes within the body?

Back

Preview of the front of card 4

Card 5

Front

Diffusion is....

Back

Preview of the front of card 5
View more cards

Comments

Hannah

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Seriously, Katie... good quiz but the spelling! :P

Sienna Rosette

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Got 40% Guess I know hwy I flunked Biology.. I got a U, Im normally a straight A student.

WhatsHisFace

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Fanks Realy helped :) X

Kay

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Thank you! This quiz helped identify anything I was unsure of :)

NaaDei Nikoi

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Thank you, this helped ! i think ur question 7 answer is wrong tho x

Tasnim

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True i think no.7 is wrong well not the exact definition of Osmosis. Anyways a really good quiz Kate

Rory

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40% I'm going to improve on that score!

I agree with Tasnim also.

katie

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Good quiz got 90% not sure about number 7 though! 

Leah

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80% - hmm, question 7? :/ oh well. Ill do it again untill i get 100%

Yes, i'm sad ike that :)

adelle

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osmosis isnt the diffusion of solids?

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