Exam-style practice

Biological rhythms, natural cycles of bodily processes regulated by a person’s internal ‘clock’, answer explanations

Review worked answers and explanations for Biological rhythms, natural cycles of bodily processes regulated by a person’s internal ‘clock’,. Aligned to Cambridge IGCSE Psychology.

Questions

Supported

Review

Mode

Sleep

Topic

Answer explanations

Question 21 of 22

Review the answer support, then move sideways through the set.

Paper 1 structured question: Biological rhythms, natural cycles of bodily processes regulated by a person’s internal ‘clock’,

Paper 1Approaches, Issues and Debates1 marks

Description

Biological Processes of Sleep

The biological processes involved in sleep include neurotransmitters and circadian rhythms that regulate sleep-wake cycles.

a
Define Define circadian rhythms.
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