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GCSE Biology
Define homeostasis as the regulation of internal conditions
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Rohan Fitzpatrick
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Cards (22)
Why is it important to maintain blood sugar levels?
To provide
energy
for the body
Which organs depend on consistent internal conditions?
Heart
and
liver
Why is maintaining stable internal conditions essential?
It allows
cells
to function properly
What can happen if internal conditions become unstable?
It can affect health and
energy levels
What is the ideal body temperature for proper cell function?
37°C (
98.6°F
)
What are the main internal conditions the body maintains?
Body temperature: around
37°C
(
98.6°F
)
Blood sugar: right amount of
glucose
pH
: balanced fluids for cell function
What is the steady body temperature maintained by homeostasis?
37°C
What are some internal conditions regulated by homeostasis?
Body temperature
,
blood sugar
, and
pH
Why is maintaining a steady 37°C important?
It ensures
cells
can work properly
How do balanced body temperature, blood sugar, and pH affect cells?
They
enable
cells
to
operate
efficiently
What does pH balance in the body help with?
Correct functioning of
cells
What is the definition of homeostasis?
Regulation
of
internal conditions
What are the consequences of failing to maintain homeostasis?
Leads to
fatigue
, illness, or
serious
health problems
How does homeostasis ensure proper body function?
By keeping
conditions
constant for
cellular
function
Why is homeostasis important for the body?
It keeps
internal conditions
stable and balanced
What does the term "internal conditions" refer to in the body?
Conditions that maintain
health
and function
Why is stable blood sugar important?
It provides a steady
energy supply
What mechanisms does homeostasis use to control internal conditions?
Hormones
and
feedback mechanisms
What happens when body temperature drops?
Shivering
increases to generate heat
What are the key reasons for maintaining stable internal conditions?
Allows
cells
to function properly
Ensures healthy
organ
operation
Provides constant energy
Protects against disease
How do feedback mechanisms contribute to homeostasis?
They help regulate
internal conditions
through responses
How does a stable internal environment protect against disease?
It helps the body fight off
infections