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WorksheetsHomeostasis
Total questions: 10
Worksheet time: 19mins
What is the meaning of Homeostasis?
Internal balance and physical wellbeing
External imbalance and mental distress
Lack of stability and emotional turmoil
Chaos and disorder
One of the most common examples of homeostasis is body temperature. When Aarav's body temperature rises above normal, how does his body respond?
shivers
sweats
coughs
Which of the following is not regulated by homeostasis?
body temperature
blood sugar
blood pH
body movements
When the weather suddenly becomes chilly, which of the following will Aashi do to stay warm?
Keep body temperature the same as the external temperature
Decrease body temperature
Increase body temperature
Regulate blood pressure
Failure to maintain homeostasis could result in what?
lack of internal balance
eventual death
difficulty carrying on metabolism
all three
Identify the response.
Scenario: Aashi begins to play soccer which causes her body temperature to increase. The temperature change is noticed (sensed) and Aashi begins to sweat and her body temperature decreases.
Aashi begins to sweat
Aashi begins to play soccer
change in temperature
body temperature increases
Identify the stimulus that brings the body back to balance.
Scenario: Aditi, Vanya, and Tara are playing outside on a hot day. They start to feel warm and sweaty. What action helps them cool down?
They notice the temperature change
They start to exercise
Their body temperature increases
Their body temperature decreases
What is the main function of homeostatic mechanisms?
To keep living systems at a static point
To help keep a relatively constant internal environment in organisms
To usually operate by positive feedback
To allow organisms to operate under extreme conditions
What is the main purpose of homeostatic mechanisms?
keep living systems at a static point
help to maintain a relatively constant internal environment in organisms
usually operate by positive feedback
allow organisms to operate under extreme conditions
What is the importance of maintaining homeostasis in a living organism?
ensures stability in the external environment
prevents extreme conditions from affecting the body
regulates internal balance and physical wellbeing
promotes chaos and disorder
