Key Terminology (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
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Practise the questions
10 questions from this quiz
Which characteristic best describes the endocrine system compared to the nervous system?
Which characteristic best describes the endocrine system compared to the nervous system?
Slower but longer-lasting responses
What does homeostasis refer to in the human body?
What does homeostasis refer to in the human body?
Keeping internal conditions stable
How do negative feedback mechanisms function in the body?
How do negative feedback mechanisms function in the body?
Detect imbalance & restore normal levels
Which pair demonstrates antagonistic hormones working on blood sugar?
Which pair demonstrates antagonistic hormones working on blood sugar?
Insulin and glucagon
What temperature does thermoregulation maintain in the human body?
What temperature does thermoregulation maintain in the human body?
Approximately 37°C
What happens during vasoconstriction?
What happens during vasoconstriction?
Blood vessels narrow to reduce heat loss
Which heat loss method occurs when sweat turns to water vapour on skin?
Which heat loss method occurs when sweat turns to water vapour on skin?
Evaporation
What distinguishes endocrine glands from exocrine glands?
What distinguishes endocrine glands from exocrine glands?
No ducts, release hormones into blood
Why is the pancreas considered unique among body organs?
Why is the pancreas considered unique among body organs?
Functions as both exocrine & endocrine
How do hormones deliver instructions to different body parts?
How do hormones deliver instructions to different body parts?
Travel through bloodstream