Cambridge IGCSE Biology
9.4Blood
Blood 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.
- 9.4.1List the components of blood, identify red and white blood cells in photomicrographs and diagrams, and state the functions of red cells, white cells, platelets and plasma.
- 9.4.2State why blood clotting matters: it stops blood loss and keeps pathogens out.
- 9.4.3Supplement: identify lymphocytes and phagocytes and state their functions, and describe clotting as the conversion of fibrinogen to a fibrin mesh.
Lessons
- Full access
Blood
16 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 Blood into a strength.
Practise with instant marking, see your mastery grow and get a study plan built around your exam date.