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Biology B1 Topic 2

B1 Biology
Topic 1
Homeostasis Topic 2
Plant Hormones
Topic 3
Nervous system


Science
B2 B3

Chemistry
Physics
Homeostasis - the body's ability to maintain a stable internal environment
Thermoregulation - control of body temperature
Osmoregulation - control of water
Blood Glucose regulation - control of…

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Biology B1 Topic 2

Homeostasis
Homeostasis is the maintainance of a constant internal
environment in response to a changing external environment.
Hormones have an important role in this system; they are
released by glands, in to the blood stream, where they reach
target cells. A specific hormone will fit a…

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Page 6

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Biology B1 Topic 2

Homeostasis is.....
It is important because....

enzymes
Endocrine System
Draw a table showing the gland, hormones produced and the
function for each
3

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Page 8

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Biology B1 Topic 2

Negative Feedback
Negative feedback is the mechanism by which the body
maintains conditions within particular limits. The body will do
this by opposing a change that deviates from the normal.
Thermoregulation
Human life is only compatible with a narrow range of
temperatures. Core temperature changes within…

Page 9

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Page 10

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Biology B1 Topic 2

Thermoregulation
Temperature in mammals is detected by thermoreceptors in
the skin and hypothalymus which is in the brain.
Changes in temperature bring about nerve impulses from the
brain to the muscles and glands which will bring about
changes depending on whether it is hot or cold.…

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Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
Biology B1 Topic 2

B1 Biology
Topic 1
Homeostasis Topic 2
Plant Hormones
Topic 3
Nervous system


Science
B2 B3

Chemistry
Physics
Homeostasis - the body's ability to maintain a stable internal environment
Thermoregulation - control of body temperature
Osmoregulation - control of water
Blood Glucose regulation - control of…

Page 3

Preview of page 3

Page 4

Preview of page 4
Biology B1 Topic 2

Homeostasis
Homeostasis is the maintainance of a constant internal
environment in response to a changing external environment.
Hormones have an important role in this system; they are
released by glands, in to the blood stream, where they reach
target cells. A specific hormone will fit a…

Page 5

Preview of page 5

Page 6

Preview of page 6
Biology B1 Topic 2

Homeostasis is.....
It is important because....

enzymes
Endocrine System
Draw a table showing the gland, hormones produced and the
function for each
3

Page 7

Preview of page 7

Page 8

Preview of page 8
Biology B1 Topic 2

Negative Feedback
Negative feedback is the mechanism by which the body
maintains conditions within particular limits. The body will do
this by opposing a change that deviates from the normal.
Thermoregulation
Human life is only compatible with a narrow range of
temperatures. Core temperature changes within…

Page 9

Preview of page 9

Page 10

Preview of page 10
Biology B1 Topic 2

Thermoregulation
Temperature in mammals is detected by thermoreceptors in
the skin and hypothalymus which is in the brain.
Changes in temperature bring about nerve impulses from the
brain to the muscles and glands which will bring about
changes depending on whether it is hot or cold.…

Comments

No comments have yet been made