WorksheetsHomeostasis
Total questions: 15
Worksheet time: 8mins
Which of the following is not regulated by homeostasis?
Body Temperature
Blood Sugar
Blood pH
Body Movements
What 2 organ systems control homeostasis?
Endocrine system and nervous system
Endocrine system and cardiovascular system
Nervous system and respiratory system
Nervous system and cardiovascular system
What is the best definition of homeostasis?
Keeping a constant temperature
Taking in oxygen and getting rid of carbon dioxide
Getting rid of waste
maintenance of a constant internal environment
Why is it important to maintain a constant body temperature?
to stop the multiplication of bacteria in the body
so that we don't get cold
to maintain the optimum temperature for enzymes
so that we have enough energy to move
What do receptors do?
Detect a change in the environment
Process information
Give a response
A change in the environment
What does the coordination centre do?
Processes information from receptors
Detects changes in the environment
Gives the response
Is a change in the environment
What is NOT an example of an coordination centre
brain
spine
pancreas
heart
What is a stimuli?
Detects a change in the environment
A change in the environment
Process information from the receptor
Gives the response
What do effectors do?
Detects the changes in the environment
processes information from receptors
Gives the response
Is the change in the environment
Which are examples of effectors?
Muscles
Glands
Muscles and Glands
Nervous system
Which is not a stimuli?
Change in temperature
Chemicals in the air
Pressure on skin
Glands releasing hormones
The reaction of the effector is called
Response
Stimulus
Sensor
Set point
What receives and analyzes information received from the sensors?
Response
Effector
Sensor
Control center
What is a noticeable change in an organism's environment?
Control center
Stimulus
Response
Set point
Homeostasis maintain the 'optimal' conditions for functioning. What does 'optimal' mean?
best
worse
