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WorksheetsHOMEOSTASIS IN HUMANS
Total questions: 11
Worksheet time: 10mins
Homeostasis
allows for a wildly fluctuating internal environment
is impossible in vertebrates
is the maintenance of the internal environment in the body of organisms, to be in a balanced and stable condition.
When you are cold, you shiver and your blood vessels constrict, which warms you up. When you are hot, you sweat and your blood vessels dilate, which cools you down.
False
True
Homeostasis refers to the maintenance of ______________ in the body of an organism.
internal environment
external environment
When the body temperature increases, the control centre at the ________ will detect the changes.
brain
nerve
A ______________ will take place and the temperature will reduce to its normal range.
corrective mechanism
respiration system
blood circulation system
nervous system
Homeostasis is important to humans and living things.
Agree
Disagree
System that involved in water regulation and regulation of body temperature are ______ and_______
Endocrine system
Respiratory system
Excretory system
Muscular system
The condition of skin layer during higher surrounding temperature are ....
Hair stand erect
Hair lie flat
Blood vessel dilate
More sweat
Blood vessel constrict
During lower surrounding temperature, blood vessel _____________ to let more blood flow away from the skin to reduce heat loss.
constrict
dilate
Pulse count will increase when we executing heavy tasks.
True
False
