CAIE IGCSE Biology 9.4.6 Lymphocyte & Phagocyte Functions

Practise matching lymphocytes to antibody production and phagocytes to engulfing pathogens by phagocytosis, using blood-cell images and function questions.

Exam points

state that lymphocytes produce antibodies specific to pathogen antigens
state that phagocytes engulf and digest pathogens by phagocytosis
match a labelled white blood cell to its function without confusing the two roles

[Maximum number: 1]

Two functions of the alimentary canal are mechanical digestion and chemical digestion.

Substances that are absorbed from the alimentary canal may enter cells and become part of the cells.

State the type of protein used in the immune system that is produced from amino acids by lymphocytes.

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9.4.6—Functions of: (a) lymphocytes – question 1