Cambridge IGCSE Biology
9.1Circulatory systems
Circulatory systems in Cambridge IGCSE Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic23 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 9.1.1Describe a circulatory system as blood vessels with a pump and valves that keep blood flowing in one direction.
- 9.1.2Supplement: describe the single circulation of a fish and the double circulation of a mammal, and explain the advantages of a double circulation.
Lessons
- Full access
The heart and circulation
22 min
Join to read every lesson, or see what Full access includes.
Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Circulatory systems into a strength.
Practise with instant marking, see your mastery grow and get a study plan built around your exam date.