2.3.15

White Blood Cells

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White Bloods Cells

White blood cells defend against infections. White blood cells:

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Have a nucleus

  • Unlike red blood cells, white blood cells have a nucleus.
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Can change shape

  • White blood cells can change shape.
  • This allows them to squeeze through the walls of blood vessels into body tissues and to engulf harmful microorganisms.

Jump to other topics

1Cell Biology

1.1What's in Cells?

1.2Cell Division

1.3Transport in Cells

2Organisation

2.1Principles of Organisation

2.2Enzymes

2.3Circulatory System

2.4Non-Communicable Diseases

2.5Plant Tissues, Organs & Systems

3Infection & Response

4Bioenergetics

5Homeostasis & Response

5.1Homeostasis

5.2The Human Nervous System

5.3Hormonal Coordination in Humans

5.4Plant Hormones

6Inheritance, Variation & Evolution

7Ecology

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