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Q 1/12
Score 0
maintaining a constant internal environment
20
homeostasis
Q 2/12
Score 0
movement away from an ideal state triggers a mechanism to counteract further change and returns the state to normal;a change in a variable triggers mechanisms that reverse that change
20
negative feedback
12 questions
Q.
maintaining a constant internal environment
1
20 sec
Q.
movement away from an ideal state triggers a mechanism to counteract further change and returns the state to normal;a change in a variable triggers mechanisms that reverse that change
2
20 sec
Q.
building blocks of all living things;smallest unit of life
3
20 sec
Q.
group of tissues that work together to perform closely related functions
4
20 sec
Q.
A group of organs that work together in performing important body functions
5
20 sec
Q.
controls body functions using chemical messengers called hormones
6
20 sec
Q.
fast-acting network of nerve cells that transmit impulses between parts of the body and brain in response to internal and external changes
7
20 sec
Q.
all the chemical reactions in living organisms that are necessary to maintain life
8
20 sec
Q.
a change in environment that causes an organism to react
9
20 sec
Q.
an organ or cell that acts in response to a stimulus
10
20 sec
Q.
the point at which an individual's "normal" level is set for a variable
11
20 sec
Q.
a sensor that responds to a change in the environment
