Key Terminology (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is homeostasis?
What is homeostasis?
Maintaining stable internal conditions
What is a stimulus?
What is a stimulus?
Any detectable change in environment
What do receptors do?
What do receptors do?
Detect stimuli & convert to signals
What is an impulse in the nervous system?
What is an impulse in the nervous system?
An electrical signal carrying info
Which structures are effectors?
Which structures are effectors?
Muscles and glands
What does the peripheral nervous system include?
What does the peripheral nervous system include?
All nerves beyond brain & spinal cord
What does the autonomic nervous system control?
What does the autonomic nervous system control?
Involuntary bodily functions
What does the sympathetic nervous system do?
What does the sympathetic nervous system do?
Prepares body for action in stress
How fast does the nervous system respond compared to the endocrine system?
How fast does the nervous system respond compared to the endocrine system?
Rapid (milliseconds to seconds)
How does the endocrine system coordinate responses?
How does the endocrine system coordinate responses?
Uses hormones in bloodstream